Commit Graph

55300 Commits

Author SHA1 Message Date
Chris Lattner eea0f58393 enhance NonLocalDepEntry to keep the per-block phi translated address
of the query.

llvm-svn: 90958
2009-12-09 07:31:04 +00:00
Daniel Dunbar d333139411 DeltaAlgorithm: Add a virtual destructor and home.
llvm-svn: 90957
2009-12-09 07:19:48 +00:00
Chris Lattner 0c31547168 change NonLocalDepEntry from being a typedef for an std::pair to be its
own small class.  No functionality change.

llvm-svn: 90956
2009-12-09 07:08:01 +00:00
Lang Hames 1ab2b49e6d Added a new "splitting" spiller.
When a call is placed to spill an interval this spiller will first try to
break the interval up into its component values. Single value intervals and
intervals which have already been split (or are the result of previous splits)
are spilled by the default spiller.

Splitting intervals as described above may improve the performance of generated
code in some circumstances. This work is experimental however, and it still
miscompiles many benchmarks. It's not recommended for general use yet.

llvm-svn: 90951
2009-12-09 05:39:12 +00:00
Daniel Dunbar 5ea6200d06 Remove spurious extern.
llvm-svn: 90937
2009-12-09 03:26:33 +00:00
Daniel Dunbar 0d886ca091 Remove unneeded ';' and a class/struct mismatch (noticed by clang).
llvm-svn: 90934
2009-12-09 02:58:09 +00:00
Chris Lattner 10398e74ae the code in GVN that tries to forward large loads to small
stores is not phi translating, thus it miscompiles really
crazy testcases.  This is from inspection, I haven't seen
this in the wild.

llvm-svn: 90930
2009-12-09 02:43:05 +00:00
Chris Lattner 946b58dd90 add some aborts to #if 0's.
llvm-svn: 90929
2009-12-09 02:41:54 +00:00
Chris Lattner 972e6d8d00 Switch GVN and memdep to use PHITransAddr, which correctly handles
phi translation of complex expressions like &A[i+1].  This has the
following benefits:

1. The phi translation logic is all contained in its own class with
   a strong interface and verification that it is self consistent.

2. The logic is more correct than before.  Previously, if intermediate
   expressions got PHI translated, we'd miss the update and scan for
   the wrong pointers in predecessor blocks.  @phi_trans2 is a testcase
   for this.

3. We have a lot less code in memdep.

We can handle phi translation across blocks of things like @phi_trans3,
which is pretty insane :).

This patch should fix the miscompiles of 255.vortex, and I tested it 
with a bootstrap of llvm-gcc, llvm-test and dejagnu of course.

llvm-svn: 90926
2009-12-09 01:59:31 +00:00
Evan Cheng d938faff4b Teach InferPtrAlignment to infer GV+cst alignment and use it to simplify x86 isl lowering code.
llvm-svn: 90925
2009-12-09 01:53:58 +00:00
Devang Patel e52b1fa128 Remove tests that are not suitable anymore. Plus they are not testing the original bugfixes anymore. These tests were inserted to check bug fixes in code that handled debug info intrinsics. These intrinsics are no longer used and now llvm parser simply ignores old .dbg intrinsics from these dead tests.
llvm-svn: 90923
2009-12-09 01:46:00 +00:00
Evan Cheng f5938d5d27 Move isConsecutiveLoad to SelectionDAG. It's not target dependent and it's primary used by selectdag passes.
llvm-svn: 90922
2009-12-09 01:36:00 +00:00
Chris Lattner 9af9d0f74e fix a nasty variable that was shadowing the real CurBB but with the wrong value.
llvm-svn: 90920
2009-12-09 01:19:16 +00:00
Evan Cheng 2d412f0cb8 Infer alignment for non-fixed stack object.
llvm-svn: 90919
2009-12-09 01:17:24 +00:00
Evan Cheng 1750009f38 Add const qualifier.
llvm-svn: 90918
2009-12-09 01:10:37 +00:00
Evan Cheng 34a23ea371 Refactor InferAlignment out of DAGCombine.
llvm-svn: 90917
2009-12-09 01:04:59 +00:00
Chris Lattner 11da6b0050 fix many input tracking bugs.
llvm-svn: 90915
2009-12-09 00:56:14 +00:00
Chris Lattner 4b2a6e200f when opt crashes, print its command line arguments as a pretty stack trace.
Somehow opt was missed when this was added.

llvm-svn: 90912
2009-12-09 00:41:28 +00:00
Dan Gohman 56a5f19c70 Fix a typo in a comment, and adjust SmallSet and SmallVector sizes,
that Chris noticed.

llvm-svn: 90910
2009-12-09 00:28:42 +00:00
Chris Lattner 37251f8375 fix PHI translation to take the PHI out of the instinputs set and add
the translated value back to it if an instruction.

llvm-svn: 90909
2009-12-09 00:18:13 +00:00
Chris Lattner cfd76375e3 instructions defined in CurBB may be intermediate nodes of the computation.
llvm-svn: 90908
2009-12-09 00:10:55 +00:00
Chris Lattner 0aa75680d6 add dumping and sanity checking support.
llvm-svn: 90906
2009-12-09 00:01:00 +00:00
Dan Gohman 2d27b191d9 Put a threshold on the number of users PointerMayBeCaptured
examines; fall back to a conservative answer if there are
more. This works around some several compile time problems
resulting from BasicAliasAnalysis calling PointerMayBeCaptured.

The value has been chosen arbitrarily.

This fixes rdar://7438917 and may partially address PR5708.

llvm-svn: 90905
2009-12-08 23:59:12 +00:00
Chris Lattner 5cf4b74b45 make sure that PHITransAddr keeps its 'InstInputs' list up to
date when instsimplify kicks in.

llvm-svn: 90901
2009-12-08 23:42:51 +00:00
Devang Patel 512001ac7d Revert 90858 90875 and 90805 for now.
llvm-svn: 90898
2009-12-08 23:21:45 +00:00
Evan Cheng 0c2544fd6b - Support inline asm 'w' constraint for 128-bit vector types.
- Also support the 'q' NEON registers asm code.

llvm-svn: 90894
2009-12-08 23:06:22 +00:00
Daniel Dunbar 564c96bd5e lit: Prevent crash-on-invalid (when run on directory which has no test suite).
llvm-svn: 90871
2009-12-08 19:49:30 +00:00
Daniel Dunbar 0f620b81c1 CMake/lit: Add llvm_{unit_,}site_config parameters, and always pass them when running tests from the project files.
llvm-svn: 90869
2009-12-08 19:47:36 +00:00
Evan Cheng dc3e58eb89 Revert 90789 for now. It caused massive compile time regression. Post-ra scheduler slowed down dramatically with this.
llvm-svn: 90868
2009-12-08 19:34:53 +00:00
Bob Wilson c5d082fd5d Some superficial cleanups.
llvm-svn: 90866
2009-12-08 18:27:03 +00:00
Bob Wilson 2029ea04f9 Clean up dead operands left around after SROA replaces a mem intrinsic.
I'm not aware that this does anything significant on its own, but it's
needed for another patch that I'm working on.

llvm-svn: 90864
2009-12-08 18:22:03 +00:00
Devang Patel 24c0bb1ca1 Cleanup.
There is no need to supply ModuleCU to addType() as a parameter.

llvm-svn: 90858
2009-12-08 15:31:31 +00:00
Devang Patel 7d723ec70d Do not try to push dead variable's debug info into namespace info.
llvm-svn: 90857
2009-12-08 15:01:35 +00:00
Benjamin Kramer dfcc285902 Remove useless calls to c_str().
llvm-svn: 90855
2009-12-08 13:07:38 +00:00
Duncan Sands 6a3df7b0c7 Teach GlobalOpt to delete aliases with internal linkage (after
forwarding any uses).  GlobalDCE can also do this, but is only
run at -O3.

llvm-svn: 90850
2009-12-08 10:10:20 +00:00
Chris Lattner 6425a23c8c fix a typo (and -> add) and fix GetAvailablePHITranslatedSubExpr to not
side-effect the current object.

llvm-svn: 90837
2009-12-08 06:06:26 +00:00
Nick Lewycky 8bca014d7f Remove unnecessary #include "llvm/LLVMContext.h".
llvm-svn: 90836
2009-12-08 05:45:41 +00:00
Chris Lattner ff09559a8f whitespace cleanup
llvm-svn: 90834
2009-12-08 05:31:46 +00:00
Oscar Fuentes a929407244 Removed VC++ compatibility code from DataTypes.h.in.
This header file is not used on VC++ builds.

llvm-svn: 90829
2009-12-08 02:49:54 +00:00
Oscar Fuentes 15c4bc673a For VC++, define the ?INT*_C macros only it they are not yet defined.
Some compatibility updates like the Boost TR1 compatibility headers
define them.

Patch contributed by OvermindDL1!

llvm-svn: 90828
2009-12-08 02:40:09 +00:00
Anton Korobeynikov dd2b2f8cba Reduce (cmp 0, and_su (foo, bar)) into (bit foo, bar). This saves extra instruction. Patch inspired by Brian Lucas!
llvm-svn: 90819
2009-12-08 01:03:04 +00:00
Evan Cheng fb1654d467 Watch out for duplicated PHI instructions.
llvm-svn: 90816
2009-12-07 23:11:03 +00:00
Evan Cheng 5c668a2259 Follow up to 90488. Turn a check into an assertion.
llvm-svn: 90815
2009-12-07 23:10:34 +00:00
Jeffrey Yasskin fc7384d366 Fix the OProfileJITEventListener for StringRef being returned from debug info.
llvm-svn: 90813
2009-12-07 22:32:38 +00:00
Victor Hernandez 58fd941eab Rename DIFactory::InsertValue() as DIFactory::InsertDbgValueIntrinsic()
llvm-svn: 90807
2009-12-07 21:54:43 +00:00
Devang Patel b074d1783b Add support to emit debug info for c++ style namespaces.
llvm-svn: 90805
2009-12-07 21:41:32 +00:00
Evan Cheng d9cb324d7c Delete code accidentally left behind.
llvm-svn: 90804
2009-12-07 21:19:33 +00:00
Chris Lattner 9e34d156d3 fix typo
llvm-svn: 90793
2009-12-07 19:52:57 +00:00
Chris Lattner dccf7ad8b9 add accessor, improve comment.
llvm-svn: 90792
2009-12-07 19:45:30 +00:00
Evan Cheng 8d61ec3002 Test case for 90787.
llvm-svn: 90791
2009-12-07 19:42:22 +00:00
David Greene 76a7edc36d Use FileCheck and set nounwind on calls.
llvm-svn: 90790
2009-12-07 19:40:26 +00:00
Dan Gohman 6aaf4232e5 Apply Pekka Jääskeläinen's patch to raise the first virtual register
number in order to accomodate targets with more than 1024 registers.

llvm-svn: 90789
2009-12-07 19:38:26 +00:00
Victor Hernandez fb7c680b61 Introduce the "@llvm.dbg.value" debug intrinsic.
The semantics of llvm.dbg.value are that starting from where it is executed, an offset into the specified user source variable is specified to get a new value.

An example:
  call void @llvm.dbg.value(metadata !{ i32 7 }, i64 0, metadata !2)
Here the user source variable associated with metadata #2 gets the value "i32 7" at offset 0.
 

llvm-svn: 90788
2009-12-07 19:36:34 +00:00
Mikhail Glushenkov 57a67facb8 Simplify a bit.
llvm-svn: 90785
2009-12-07 19:16:13 +00:00
Mikhail Glushenkov fca845187d Throw 'const char*' instead of 'std::string'.
llvm-svn: 90784
2009-12-07 19:15:57 +00:00
Chris Lattner 77b0d3b217 add support for phi translation and incorpation of new expression.
llvm-svn: 90782
2009-12-07 19:04:49 +00:00
Dan Gohman 9528ccdd77 Don't enable the post-RA scheduler on x86 except at -O3. In its
current form, it is too expensive in compile time.

llvm-svn: 90781
2009-12-07 19:04:31 +00:00
Chris Lattner e60244db8c checkpoint of the new PHITransAddr code, still not done and not used by
anything.

llvm-svn: 90779
2009-12-07 18:36:53 +00:00
Mikhail Glushenkov 0bdfb53080 Regenerate.
llvm-svn: 90776
2009-12-07 18:26:24 +00:00
Mikhail Glushenkov 550694d18a Documentation update.
llvm-svn: 90775
2009-12-07 18:26:11 +00:00
Mikhail Glushenkov 67c106664b Deprecate 'unpack_values'.
Use 'forward_values' + 'comma_separated' instead.

llvm-svn: 90774
2009-12-07 18:25:54 +00:00
Mikhail Glushenkov e69994f04f Pass '-msse' and friends to llc as '-mattr=+/-'.
llvm-svn: 90771
2009-12-07 17:03:21 +00:00
Mikhail Glushenkov 6b6be99632 Implement 'forward_value' and 'forward_transformed_value'.
llvm-svn: 90770
2009-12-07 17:03:05 +00:00
Mikhail Glushenkov d5774dfb8d Refactoring, no functionality change.
llvm-svn: 90764
2009-12-07 10:51:55 +00:00
Evan Cheng cc77062194 Pre-regalloc tale duplication. Work in progress.
llvm-svn: 90759
2009-12-07 10:15:19 +00:00
John Mosby 7bc9bb3555 fixed some typos in method comments, reworded some comments for clarity
llvm-svn: 90754
2009-12-07 09:06:37 +00:00
Oscar Fuentes 8b6d88d2f8 Fixes the Atomic implementation if compiled by MSVC compiler.
sys::cas_flag should be long on this platform, InterlockedAdd() is
defined only for the Itanium architecture (according to MSDN).

Patch by Michael Beck!

llvm-svn: 90748
2009-12-07 05:29:59 +00:00
Evan Cheng 92c310cb79 If BB is empty, insert PHI before end() instead of front().
llvm-svn: 90744
2009-12-07 03:07:01 +00:00
Anton Korobeynikov 24a6316aaa Some pretty-printing
llvm-svn: 90742
2009-12-07 02:28:41 +00:00
Anton Korobeynikov 1bcece70bd Truncate the arguments of llvm.frameaddress / llvm.returnaddress intrinsics from i32 to platform's largest native type
llvm-svn: 90741
2009-12-07 02:28:26 +00:00
Anton Korobeynikov ff4ab51400 Add lowering of returnaddr and frameaddr intrinsics. Shamelessly stolen from x86 :)
llvm-svn: 90740
2009-12-07 02:28:10 +00:00
Anton Korobeynikov b4be8ce537 Initial codegen support for MSP430 ISRs
llvm-svn: 90739
2009-12-07 02:27:53 +00:00
Anton Korobeynikov 27a0ecfa39 Add MSP430 interrupt calling conv. No functionality change yet.
llvm-svn: 90738
2009-12-07 02:27:35 +00:00
Anton Korobeynikov 28d3c733aa Add ability to select hw multiplier mode and select appropriate libcalls.
llvm-svn: 90737
2009-12-07 02:27:08 +00:00
Rafael Espindola 662908cdcf Fix typos. Thanks to John Tytgat for noticing it!
llvm-svn: 90728
2009-12-07 00:27:35 +00:00
Anton Korobeynikov 75dfed4fa5 Dynamic stack realignment use of sp register as source/dest register
in "bic sp, sp, #15" leads to unpredicatble behaviour in Thumb2 mode.
Emit the following code instead:
mov r4, sp
bic r4, r4, #15
mov sp, r4

llvm-svn: 90724
2009-12-06 22:39:50 +00:00
Chris Lattner 6d6f10fe91 fix PR5698
llvm-svn: 90708
2009-12-06 17:17:23 +00:00
Chris Lattner 7a141b3d88 remove extraneous comma clang warns about
llvm-svn: 90707
2009-12-06 16:58:41 +00:00
Chris Lattner 778cb92235 constant fold loads from memcpy's from global constants. This is important
because clang lowers nontrivial automatic struct/array inits to memcpy from
a global array.

llvm-svn: 90698
2009-12-06 05:29:56 +00:00
Chris Lattner 93236ba327 add support for forwarding mem intrinsic values to non-local loads.
llvm-svn: 90697
2009-12-06 04:54:31 +00:00
Chris Lattner 850a3cd905 gvn is optimizing this better now.
llvm-svn: 90696
2009-12-06 04:16:05 +00:00
Chris Lattner 42376066eb Handle forwarding local memsets to loads. For example, we optimize this:
short x(short *A) {
  memset(A, 1, sizeof(*A)*100);
  return A[42];
}

to 'return 257' instead of doing the load.  

llvm-svn: 90695
2009-12-06 01:57:02 +00:00
Chris Lattner d15e11ad98 Add helper methods for forming shift operations with a constant
shift amount.

llvm-svn: 90694
2009-12-06 01:56:22 +00:00
Chris Lattner eb5bb1bf78 merge two tests.
llvm-svn: 90691
2009-12-06 01:47:24 +00:00
Oscar Fuentes 58eea20f47 CheckAtomic.cmake: Put all C++ code inside CHECK_CXX_SOURCE_COMPILES.
llvm-svn: 90685
2009-12-06 00:06:33 +00:00
Oscar Fuentes 4f6d1eb3e0 Fix for atomic intrinsics detection when using MSVC.
Patch by Michael Beck!

llvm-svn: 90683
2009-12-05 23:19:33 +00:00
Dan Gohman 35f5646ef0 Remove old DBG_LABEL code.
llvm-svn: 90669
2009-12-05 17:56:26 +00:00
Dan Gohman 6e7073b846 Remove the unused DisableLegalizeTypes option and related code.
llvm-svn: 90668
2009-12-05 17:51:33 +00:00
Bill Wendling 29d6390249 Calling InvalidateEntry during the refinement was breaking the bootstrap.
llvm-svn: 90656
2009-12-05 07:59:04 +00:00
Bill Wendling fa3f115ec4 Final cleanups:
- Privatize a typedef.
- Call the InvalidateEntry when refining a type.

llvm-svn: 90655
2009-12-05 07:46:49 +00:00
Bill Wendling f89986235d Temporarily revert r90502. It was causing the llvm-gcc bootstrap on PPC to fail.
llvm-svn: 90653
2009-12-05 07:30:23 +00:00
Nick Lewycky c86b6fbb40 Document that memory use intrinsics may also return Def results.
llvm-svn: 90651
2009-12-05 06:37:52 +00:00
Nick Lewycky e91765fdbb Fix indentation in switch statement.
llvm-svn: 90650
2009-12-05 06:37:24 +00:00
Nick Lewycky a0e9d700dc Generalize this optimization to work on equality comparisons between any two
integers that are constant except for a single bit (the same n-th bit in each).

llvm-svn: 90646
2009-12-05 05:00:00 +00:00
Eric Christopher 455c5776e2 More updates to objectsize intrinsic docs.
llvm-svn: 90644
2009-12-05 02:46:03 +00:00
Dan Gohman 0891d759b5 Don't print a space before the : between the file name and line number.
And separate the directory and file name with a '/'.

llvm-svn: 90641
2009-12-05 02:00:34 +00:00
Bill Wendling 4968774280 Inline methods which are called only once.
llvm-svn: 90640
2009-12-05 01:46:01 +00:00
Bill Wendling da95e13750 Refactor some code. No functionality change.
llvm-svn: 90639
2009-12-05 01:43:33 +00:00
Dan Gohman 3a6164e8ab Print newlines after printing labels for debug info, so that the output
isn't cluttered with things like "Llabel47:Llabel48:  movq  (%rsi), %xmm3"

llvm-svn: 90638
2009-12-05 01:42:34 +00:00
Dan Gohman c82272a7b6 Don't blindly set the debug location for PHI node copies.
llvm-svn: 90637
2009-12-05 01:29:04 +00:00
Dan Gohman 18f94469dc Make TargetSelectInstruction protected and called from FastISel.cpp
instead of SelectionDAGISel.cpp.

llvm-svn: 90636
2009-12-05 01:27:58 +00:00
Dan Gohman 047a767d74 Remove the target hook TargetInstrInfo::BlockHasNoFallThrough in favor of
MachineBasicBlock::canFallThrough(), which is target-independent and more
thorough.

llvm-svn: 90634
2009-12-05 00:44:40 +00:00
Dan Gohman 0b44cb0d78 Simplify this code: don't call AnalyzeBranch before doing simpler checks.
llvm-svn: 90633
2009-12-05 00:32:59 +00:00
Dan Gohman 02578a3805 The debug information for an LLVM Instruction applies to that Instruction
and that Instruction only. Implement this by setting the "current debug position"
back to Unknown after processing each instruction.

llvm-svn: 90632
2009-12-05 00:27:08 +00:00
Dan Gohman abc77742c8 Fix this code to use DIScope instead of DICompileUnit, as in r90181.
Don't print "SrcLine"; just print the filename and line number, which
is obvious enough and more informative.

llvm-svn: 90631
2009-12-05 00:23:29 +00:00
Dan Gohman 33004b6302 Don't print the debug directory; it's often long and uninteresting. Omit
the column number if it is not known. Handle the case of a missing filename
better.

llvm-svn: 90630
2009-12-05 00:20:51 +00:00
Dan Gohman e79368d3ff Minor code simplification.
llvm-svn: 90628
2009-12-05 00:05:43 +00:00
David Greene f96c416900 Remove an unneeded include.
llvm-svn: 90627
2009-12-05 00:03:24 +00:00
Dan Gohman 6aea8dccf1 Remove now-redundant llvm-as invocations.
llvm-svn: 90626
2009-12-05 00:02:37 +00:00
David Greene 86bafa29a3 Remove an unneeded include.
llvm-svn: 90625
2009-12-04 23:55:07 +00:00
Bill Wendling f85dc3f0f1 Add testcase for PR4262.
llvm-svn: 90623
2009-12-04 23:29:57 +00:00
Dan Gohman e6d5445dc1 Print a space between the comment character and the text.
llvm-svn: 90621
2009-12-04 23:19:55 +00:00
Bill Wendling 74356efae9 Temporarily revert r72620 because r72619 was reverted.
llvm-svn: 90619
2009-12-04 23:16:56 +00:00
Devang Patel 8f0460278c In TAG_subrange_type, uppder bound is zero indexed.
llvm-svn: 90617
2009-12-04 23:10:24 +00:00
David Greene c5f3d8e343 Fix a bad merge.
llvm-svn: 90616
2009-12-04 23:08:02 +00:00
David Greene e373c9a71a Update the TargetInstrInfo interfaces so hasLoad/StoreFrom/ToStackSlot
can return a MachineMemOperand.

llvm-svn: 90615
2009-12-04 23:00:50 +00:00
Bob Wilson 9e2792690b Fix indentation.
llvm-svn: 90613
2009-12-04 22:46:47 +00:00
David Greene 15f9df5f4b Use new interfaces to print spill size.
llvm-svn: 90611
2009-12-04 22:46:04 +00:00
David Greene 0508e435c3 Have hasLoad/StoreFrom/ToStackSlot return the relevant MachineMemOperand.
llvm-svn: 90608
2009-12-04 22:38:46 +00:00
Bob Wilson 050b812fe7 Fix up some comments.
llvm-svn: 90603
2009-12-04 21:57:37 +00:00
Bob Wilson 5ca37b274c Fix 80-column violations.
llvm-svn: 90601
2009-12-04 21:51:35 +00:00
Daniel Dunbar eebf029d1d OptParser: Emit HelpText field for option groups.
llvm-svn: 90599
2009-12-04 21:41:24 +00:00
Bill Wendling 4ea0d2b8ee Some code cleanup. No functionality change.
llvm-svn: 90588
2009-12-04 21:03:02 +00:00
Victor Hernandez 4d633542f2 Avoid creating a metadata slot for all metadata that contains an instruction
llvm-svn: 90581
2009-12-04 20:07:10 +00:00
Evan Cheng 9e67255748 Handle recursive PHI's.
llvm-svn: 90575
2009-12-04 19:09:10 +00:00
Victor Hernandez a6bd3f5f5e Fix crasher when N->getElement(n) is NULL
llvm-svn: 90572
2009-12-04 18:29:23 +00:00
Evan Cheng 6154dbd5ee Add a pre-regalloc tail duplication pass.
llvm-svn: 90567
2009-12-04 09:42:45 +00:00
Evan Cheng 0f1cc35c65 Don't try to be cute with undef optimization here. Let ProcessImplicitDefs handle it.
llvm-svn: 90566
2009-12-04 09:23:37 +00:00
Duncan Sands 1602277b70 Add note about a subtle bug in this code. Does not effect the main
architectures that LLVM targets, because they don't use this code.

llvm-svn: 90564
2009-12-04 08:42:17 +00:00
Daniel Dunbar c5b2ac4d97 Fix typo and add missing include.
llvm-svn: 90557
2009-12-04 08:17:07 +00:00
Andreas Neustifter 4665141ebd Added debug output for inherited passes that are invalidated.
llvm-svn: 90553
2009-12-04 06:58:24 +00:00
Mikhail Glushenkov c563ce3e62 Forward -m32/-m64 to the linker.
llvm-svn: 90548
2009-12-04 06:38:45 +00:00
Mikhail Glushenkov 2b86846b65 Support -march/-mtune/-mcpu.
llvm-svn: 90547
2009-12-04 06:38:28 +00:00
Chris Lattner 1ddfd9f96c Fix PR5551 by not ignoring the top level constantexpr when
folding a load from constant.

llvm-svn: 90545
2009-12-04 06:29:29 +00:00
Chris Lattner 6d947a0774 add to cmake
llvm-svn: 90539
2009-12-04 04:15:36 +00:00
Chris Lattner 1c21aaca06 Small and carefully crafted testcase showing a miscompilation by GVN
that I'm working on.  This is manifesting as a miscompile of 255.vortex
on some targets.  No check lines yet because it fails.

llvm-svn: 90520
2009-12-04 02:12:12 +00:00
Chris Lattner b63051caf6 add the start of a class used to handle phi translation in memdep and
gvn (this is just a skeleton so far).  This will ultimately be used
to fix a nasty miscompilation with GVN.

llvm-svn: 90518
2009-12-04 02:10:16 +00:00
Mike Stump 94d3e9b094 Create yet another helper for Invoke.
llvm-svn: 90514
2009-12-04 01:53:15 +00:00
Victor Hernandez b7176a13a4 Teach AsmWriter to write inline (not via a global metadata slot) metadata that contains an instruction
llvm-svn: 90512
2009-12-04 01:35:02 +00:00
Bob Wilson 2107eb70d9 Fix a comment typo.
llvm-svn: 90511
2009-12-04 01:33:04 +00:00
Mike Stump bcb77c985b Add some helpers for Invoke to mirror CreateCall helpers.
llvm-svn: 90508
2009-12-04 01:26:26 +00:00
Chris Lattner 2bd9609992 add an assert to make it really clear what this is doing. Return singularval as
a compile time perf optimization to avoid a load.

llvm-svn: 90507
2009-12-04 01:03:32 +00:00
Jakob Stoklund Olesen ca9cf65455 Also attempt trivial coalescing for live intervals that end in a copy.
The coalescer is supposed to clean these up, but when setting up parameters
for a function call, there may be copies to physregs. If the defining
instruction has been LICM'ed far away, the coalescer won't touch it.

The register allocation hint does not always work - when the register
allocator is backtracking, it clears the hints.

This patch takes care of a few more cases that r90163 missed.

llvm-svn: 90502
2009-12-04 00:16:04 +00:00
Evan Cheng e156f611ab - If the reaching definition is an undef and the use is a PHI, add the implicit_def to the end of the source block.
- When reaching value is replaced with another, update the cache as well.

llvm-svn: 90501
2009-12-04 00:09:05 +00:00
Devang Patel 3b666fef67 Insert composite type DIE into the map before processing type fields. This allows fields to find their context DIE from the map.
llvm-svn: 90498
2009-12-03 23:46:57 +00:00
Victor Hernandez fa23223d4a Add ParseInlineMetadata() which can parses metadata that refers to an instruction. Extend ParseParameterList() to use this new function so that calls to llvm.dbg.declare can pass inline metadata
llvm-svn: 90497
2009-12-03 23:40:58 +00:00
Jim Grosbach 5f9f721e95 remove out of date FIXME.
llvm-svn: 90490
2009-12-03 21:55:01 +00:00
Evan Cheng b2c1529d8f Handle undef values properly.
llvm-svn: 90489
2009-12-03 21:51:55 +00:00
Evan Cheng 8a19371370 Watch out for PHI instruction with no source operands.
llvm-svn: 90488
2009-12-03 21:50:58 +00:00
Bob Wilson 53bdae3802 Fix a comment typo.
llvm-svn: 90487
2009-12-03 21:47:07 +00:00
Duncan Sands bbd6b6ddf4 Fix ExpandShiftWithUnknownAmountBit, which was completely bogus.
Pointed out by Javier Martinez (who also provided a patch).  Since
this logic is not used on (for example) x86, I guess nobody noticed.
Tested by generating SHL, SRL, SRA on various choices of i64 for all
possible shift amounts, and comparing with gcc.  Since I did this on
x86-32, I had to force the use of ExpandShiftWithUnknownAmountBit.
What I'm saying here is that I don't have a testcase I can add to the
repository.

llvm-svn: 90482
2009-12-03 21:37:32 +00:00
Jakob Stoklund Olesen 18c7cbd99b Clean up some loop logic.
llvm-svn: 90481
2009-12-03 20:49:10 +00:00
Devang Patel eb57c59b66 Add support to emit debug info for virtual functions and virtual base classes.
llvm-svn: 90474
2009-12-03 19:11:07 +00:00
Dan Gohman 083f229ba2 Print a newline after the Args: line so that unrelated errs() output doesn't
end up on the same line.

llvm-svn: 90473
2009-12-03 19:03:18 +00:00
Benjamin Kramer daea8420e9 Fix MSVC build.
llvm-svn: 90454
2009-12-03 13:23:03 +00:00
Andreas Neustifter 506891de63 Convert ProfileVerifier to template so it can be used for different types of ProfileInfo.
llvm-svn: 90451
2009-12-03 12:55:57 +00:00
Andreas Neustifter 7dd85bfdff Do not create negative edge weights in ProfileEstimator.
Use integer values for weights to prevent rounding errors.
Make ProfileEstimator more robust in general CFGs.

llvm-svn: 90449
2009-12-03 12:41:14 +00:00
Daniel Dunbar ff53d4694c Add an implementation of the delta debugging algorithm.
- This is a pretty slow / memory intensive implementation, and I will likely
   change it to an iterative model, but it works.

llvm-svn: 90447
2009-12-03 11:12:42 +00:00
Andreas Neustifter b87d0f0662 Use ProfileInfo-API in ProfileInfo Loader and do more assertions.
llvm-svn: 90446
2009-12-03 11:00:37 +00:00
Andreas Neustifter 312288b30c Converted ProfileInfo to template, added more API for ProfileInfo-preserving.
llvm-svn: 90445
2009-12-03 09:30:12 +00:00
Evan Cheng 1bbe6be037 Teach tail duplication to update SSA form. Work in progress.
llvm-svn: 90432
2009-12-03 08:43:53 +00:00
Chris Lattner f05330a5c8 expand note.
llvm-svn: 90429
2009-12-03 07:43:46 +00:00
Chris Lattner d1e4ee3c2b add a note
llvm-svn: 90428
2009-12-03 07:41:54 +00:00
Nate Begeman 9655f84662 Don't pull vector sext through both hands of a logical operation, since doing so prevents the fusion of vector sext and setcc into vsetcc.
Add a testcase for the above transformation.
Fix a bogus use of APInt noticed while tracking this down.

llvm-svn: 90423
2009-12-03 07:11:29 +00:00
Chris Lattner c831fac043 fix a build problem with VC++, PR5664, patch by Alp Toker!
llvm-svn: 90419
2009-12-03 06:58:32 +00:00
Bob Wilson 0bbd3077ce Recognize canonical forms of vector shuffles where the same vector is used for
both source operands.  In the canonical form, the 2nd operand is changed to an
undef and the shuffle mask is adjusted to only reference elements from the 1st
operand.  Radar 7434842.

llvm-svn: 90417
2009-12-03 06:40:55 +00:00
Jakob Stoklund Olesen 32042f9475 Don't call getValueType() on a null SDValue
llvm-svn: 90415
2009-12-03 05:15:35 +00:00
Owen Anderson 0b6e260066 Fix this crasher, and add a FIXME for a missed optimization.
llvm-svn: 90408
2009-12-03 03:43:29 +00:00
Evan Cheng 7145382389 Fill out codegen SSA updater. It's not yet tested.
llvm-svn: 90395
2009-12-03 02:31:43 +00:00
Bill Wendling aba7d48764 Revert r90371. It was causing build failures.
llvm-svn: 90383
2009-12-03 01:54:07 +00:00
Jakob Stoklund Olesen 8392456f1b Don't hang on to pointers or references after vector::push_back.
The MO reference to a MachineOperand can be invalidated by
MachineInstr::addOperand. Don't even use it for debugging.

llvm-svn: 90381
2009-12-03 01:49:56 +00:00
Chris Lattner 65812b58f2 add a failing testcase.
llvm-svn: 90380
2009-12-03 01:46:18 +00:00
Devang Patel 236526dd18 Emit method definition DIE at module level (even for methods with inlined functino body at soure level) so that the debugger can invoke it. This fixes many test failures in gdb test suite.
llvm-svn: 90375
2009-12-03 01:25:38 +00:00
Bill Wendling 693969eb35 Further improvements: refactoring code that does the same thing into one
function, converting "dyn_cast" to "cast", asserting the correct things, and
other general cleanups.

llvm-svn: 90371
2009-12-03 01:15:46 +00:00
Chris Lattner 765ac33a1a yay for case insensitive file systems (?)
llvm-svn: 90370
2009-12-03 01:10:05 +00:00
Chris Lattner 77c36d68f3 fix PR5673 by being more careful about pointers to functions.
llvm-svn: 90369
2009-12-03 01:05:45 +00:00
Chris Lattner 73570673de remove some dead std::ostream using code.
llvm-svn: 90366
2009-12-03 00:55:04 +00:00
Chris Lattner a48f44d9ee improve portability to avoid conflicting with std::next in c++'0x.
Patch by Howard Hinnant!

llvm-svn: 90365
2009-12-03 00:50:42 +00:00
Bill Wendling 1ed59c63e3 This initial code is meant to convert TargetData to use an AbstractTypesUser so
that it doesn't have dangling pointers when abstract types are resolved. This
modifies it somewhat to address comments: making the "StructLayoutMap" an
anonymous structure, calling "removeAbstractTypeUser" when appropriate, and
adding asserts where helpful.

llvm-svn: 90362
2009-12-03 00:17:12 +00:00
Douglas Gregor a3b825edd1 Fix CMake makefiles
llvm-svn: 90354
2009-12-02 22:19:31 +00:00
Evan Cheng 20e9d030c9 Skeleton for MachineInstr level SSA updater.
llvm-svn: 90353
2009-12-02 22:02:52 +00:00
Bill Wendling 76bf386af0 Remove unnecessary check.
llvm-svn: 90352
2009-12-02 22:02:20 +00:00
Jim Grosbach 51663f7165 Add MaxStackAlignment.cpp to CMake
llvm-svn: 90337
2009-12-02 19:31:07 +00:00
Jim Grosbach 2c3a6c6589 Factor the stack alignment calculations out into a target independent pass.
No functionality change.

llvm-svn: 90336
2009-12-02 19:30:24 +00:00
Bob Wilson fffbc0c5d9 Don't count PHI instructions toward the limit for tail duplicating a block.
llvm-svn: 90326
2009-12-02 17:15:24 +00:00
Jim Grosbach d831ef4945 Move EliminateDuplicatePHINodes() from SimplifyCFG.cpp to Local.cpp
llvm-svn: 90324
2009-12-02 17:06:45 +00:00
Andreas Neustifter 3d207290fe Cheap, mostly strict, stable sorting.
This is necessary for tests so the results are comparable.

llvm-svn: 90320
2009-12-02 15:57:15 +00:00
Benjamin Kramer eee88bc5d2 Silence compiler warnings.
llvm-svn: 90319
2009-12-02 15:33:44 +00:00
Devang Patel 8c33959df2 Clarify that DIEString does not keep a copy of the string.
llvm-svn: 90318
2009-12-02 15:25:16 +00:00
Owen Anderson b9878ee6b6 Cleanup/remove some parts of the lifetime region handling code in memdep and GVN,
per Chris' comments.  Adjust testcases to match.

llvm-svn: 90304
2009-12-02 07:35:19 +00:00
Chris Lattner c468025ac9 factor some code better.
llvm-svn: 90299
2009-12-02 06:44:58 +00:00
Chris Lattner 2764b4dc55 formatting cleanups.
llvm-svn: 90298
2009-12-02 06:35:55 +00:00
Chris Lattner eea42c7b51 tidy up, remove dependence on order of evaluation of function args from EmitMemCpy.
llvm-svn: 90297
2009-12-02 06:05:42 +00:00
Chris Lattner 4ca1981e82 merge sext-2 into sext.ll
llvm-svn: 90293
2009-12-02 05:34:35 +00:00
Chris Lattner 0a12a8f9fe rename test
llvm-svn: 90292
2009-12-02 05:32:33 +00:00
Chris Lattner fe206d2a13 filecheckize
llvm-svn: 90291
2009-12-02 05:32:16 +00:00
Mon P Wang bb3eac9e7a Fixed an assertion failure for tracking sext of a vector of integers
llvm-svn: 90290
2009-12-02 04:59:58 +00:00
Devang Patel a5749bda2c Add utility routine to create subprogram definition entry from subprogram declaration entry.
llvm-svn: 90282
2009-12-01 23:09:02 +00:00
Devang Patel a605b9124a Reuse existing subprogram DIE.
llvm-svn: 90281
2009-12-01 23:07:59 +00:00
Chris Lattner 0e3b78a6c2 return more useful error messages by using strerror to format errno
instead of returning an ambiguous reason.

llvm-svn: 90275
2009-12-01 22:51:41 +00:00
Eric Christopher 8aa46bc6fd Update per Bill's comments. Work in progress.
llvm-svn: 90271
2009-12-01 22:28:41 +00:00
Evan Cheng 732351f732 Fix PR5391: support early clobber physical register def tied with a use (ewwww)
- A valno should be set HasRedefByEC if there is an early clobber def in the middle of its live ranges. It should not be set if the def of the valno is defined by an early clobber.
- If a physical register def is tied to an use and it's an early clobber, it just means the HasRedefByEC is set since it's still one continuous live range.
- Add a couple of missing checks for HasRedefByEC in the coalescer. In general, it should not coalesce a vr with a physical register if the physical register has a early clobber def somewhere. This is overly conservative but that's the price for using such a nasty inline asm "feature".

llvm-svn: 90269
2009-12-01 22:25:00 +00:00
Jim Grosbach 8a8ba87ac8 test case for IV-Users simplification loop improvement
llvm-svn: 90260
2009-12-01 21:53:51 +00:00
Chris Lattner e914c0eaa0 rename some variables.
llvm-svn: 90258
2009-12-01 21:16:01 +00:00
Chris Lattner 506b858c45 tidy
llvm-svn: 90257
2009-12-01 21:15:15 +00:00
Dan Gohman b2ae02979f Add edge source labels to SelectionDAG graphs, now that the graph printing
framework omits differentiated edge sources in the case where the labels
are empty strings.

llvm-svn: 90254
2009-12-01 19:20:00 +00:00
Dan Gohman 8def6e3daf Minor cleanups.
llvm-svn: 90253
2009-12-01 19:16:15 +00:00
Dan Gohman 939c828604 Trim an unnecessary #include.
llvm-svn: 90252
2009-12-01 19:13:27 +00:00
Daniel Dunbar 04433fe3e1 Don't default warnings to ON on MSVC, the spew is enough to triple the build time. :/
llvm-svn: 90251
2009-12-01 19:11:36 +00:00
Devang Patel 0a2c0bcb14 Clear function specific containers while processing end of a function, even if DW_TAG_subprogram for current function is not found.
llvm-svn: 90247
2009-12-01 18:13:48 +00:00
Jim Grosbach 36d4dec28a Thumb1 exception handling setjmp
llvm-svn: 90246
2009-12-01 18:10:36 +00:00
Johnny Chen 86fc920742 For VLDM/VSTM (Advanced SIMD), set encoding bits Inst{11-8} to 0b1011.
llvm-svn: 90243
2009-12-01 17:37:06 +00:00
Jakob Stoklund Olesen defc47088a Move PHIElimination::isLiveOut method to LiveVariables.
We want LiveVariables clients to use methods rather than accessing the
getVarInfo data structure directly. That way it will be possible to change the
LiveVariables representation.

llvm-svn: 90240
2009-12-01 17:13:31 +00:00
Gabor Greif 7ee0efd289 typo
llvm-svn: 90236
2009-12-01 15:53:33 +00:00
Gabor Greif 6b822ce675 demonstrate usage of Cases() mapping several strings to the same value; remove trailing spaces
llvm-svn: 90230
2009-12-01 12:53:56 +00:00
Mikhail Glushenkov 35c5591286 Add relocation model options.
llvm-svn: 90222
2009-12-01 09:47:11 +00:00
Mikhail Glushenkov b5f718f063 Typo.
llvm-svn: 90221
2009-12-01 09:19:09 +00:00
Tobias Grosser 8b8a5b22cb Fix copy paste bug
llvm-svn: 90220
2009-12-01 08:43:33 +00:00
Chris Lattner 9c2053b242 fix 255.vortex again, third time's the charm.
llvm-svn: 90217
2009-12-01 07:33:32 +00:00
Chris Lattner 367b5eafb7 minimize this a bit more.
llvm-svn: 90216
2009-12-01 07:30:01 +00:00
Mikhail Glushenkov ed163ed103 Forward -save-temps to llvm-gcc.
llvm-svn: 90214
2009-12-01 06:51:30 +00:00
Chris Lattner fd75b90d81 merge 2009-11-29-ReverseMap.ll into crash.ll
llvm-svn: 90212
2009-12-01 06:22:10 +00:00
Chris Lattner 3c9aca9079 fix PR5640 by tracking whether a block is the header of a loop more
precisely, which prevents us from infinitely peeling the loop.

llvm-svn: 90211
2009-12-01 06:04:43 +00:00
Mikhail Glushenkov 3a438a9336 Support -[weak_]framework and -F in llvmc.
llvm-svn: 90210
2009-12-01 05:59:55 +00:00
Eric Christopher 4b25bac791 Remove the gcc builtins from the intrinsics, we'll lower them
explicitly so we can check arguments.

llvm-svn: 90199
2009-12-01 03:18:26 +00:00
Jakob Stoklund Olesen 26667abbd3 Use CFG connectedness as a secondary sort key when deciding the order of copy coalescing.
This means that well connected blocks are copy coalesced before the less connected blocks. Connected blocks are more difficult to
coalesce because intervals are more complicated, so handling them first gives a greater chance of success.

llvm-svn: 90194
2009-12-01 03:03:00 +00:00
Eric Christopher d6206a8b00 Add a soft link so that in an apple style build we can find libLTO.dylib.
llvm-svn: 90189
2009-12-01 02:26:01 +00:00
Oscar Fuentes 5c600b5435 Add two CMake flags LLVM_ENABLE_PEDANTIC and LLVM_ENABLE_WERROR,
PEDANTIC defaults to ON and WERROR default to off.

Also add MSVC warnings. To disable warnings add the flags
LLVM_ENABLE_WARNINGS (default on).

Patch by Tobias Grosser!

llvm-svn: 90188
2009-12-01 02:21:51 +00:00
Chris Lattner 4ba8e5d14f fix PR5649 by making fib use the JIT instead of the interpreter, patch by Perry Lorier!
llvm-svn: 90186
2009-12-01 01:56:27 +00:00
Dan Gohman 03f90ab0a9 Add a comment about A[i+(j+1)].
llvm-svn: 90185
2009-12-01 01:38:10 +00:00
Bill Wendling 05252355b8 Remove some validation errors.
llvm-svn: 90184
2009-12-01 00:59:58 +00:00
Bill Wendling 991b84e5a7 Some formatting and spelling fixes.
llvm-svn: 90182
2009-12-01 00:53:11 +00:00
Dan Gohman 461b937053 Devang pointed out that this code should use DIScope instead of
DICompileUnit. This code now prints debug filenames successfully.

llvm-svn: 90181
2009-12-01 00:45:56 +00:00
Evan Cheng 1d31fc9123 Fix PR5614: parts of a physical register def may be killed the rest.
llvm-svn: 90180
2009-12-01 00:44:45 +00:00
Devang Patel 3daa96b079 Test case for r90175.
llvm-svn: 90176
2009-12-01 00:13:06 +00:00
Johnny Chen ee536b0ea4 For VMOV (immediate), make some of the encoding bits (cmode and op) unspecified.
For VMOVv*i[16,32], op bit is don't care, and some cmode bits vary depending on
the immediate values.

Ref: Table A7-15 Modified immediate values for Advanced SIMD instructions.
llvm-svn: 90173
2009-12-01 00:02:02 +00:00
Devang Patel ae466efe2e If pointer type has a name then do not ignore the name.
llvm-svn: 90172
2009-11-30 23:56:56 +00:00
Oscar Fuentes cc71783b32 * CMakeLists.txt: Adds warnings flags for g++. Fixes PR 5647.
llvm-svn: 90170
2009-11-30 23:50:14 +00:00
Oscar Fuentes d2d1be4d22 * cmake/modules/LLVMLibDeps.cmake: Updated library dependencies.
llvm-svn: 90169
2009-11-30 23:48:51 +00:00
Dan Gohman 3ee8bc9b35 Minor whitespace fixes.
llvm-svn: 90166
2009-11-30 23:33:53 +00:00
Dan Gohman 6f51309021 Fix a minor inconsistency.
llvm-svn: 90165
2009-11-30 23:33:37 +00:00
Dan Gohman ec30044cf7 Fix typos in comments.
llvm-svn: 90164
2009-11-30 23:30:43 +00:00
Jakob Stoklund Olesen 020d8d4c63 New virtual registers created for spill intervals should inherit allocation hints from the original register.
This helps us avoid silly copies when rematting values that are copied to a physical register:

leaq	_.str44(%rip), %rcx
movq	%rcx, %rsi
call	_strcmp

becomes:

leaq	_.str44(%rip), %rsi
call	_strcmp

The coalescer will not touch the movq because that would tie down the physical register.

llvm-svn: 90163
2009-11-30 22:55:54 +00:00
Bill Wendling 120037fec7 Debug info is disabled on PPC Darwin.
llvm-svn: 90160
2009-11-30 22:23:29 +00:00
Bob Wilson 598f8ff9e5 Reprioritize tests for tail duplication to be aggressive about indirect
branches even when optimizing for code size.  Unless we find evidence to the
contrary in the future, the special treatment for indirect branches does not
have a significant effect on code size, and performance still matters with -Os.

llvm-svn: 90147
2009-11-30 18:56:45 +00:00
Bob Wilson 505ddaa4dc Remove isProfitableToDuplicateIndirectBranch target hook. It is profitable
for all the processors where I have tried it, and even when it might not help
performance, the cost is quite low.  The opportunities for duplicating
indirect branches are limited by other factors so code size does not change
much due to tail duplicating indirect branches aggressively.

llvm-svn: 90144
2009-11-30 18:35:03 +00:00
Bob Wilson c168a52627 Fix some more ARM unified syntax warnings.
llvm-svn: 90141
2009-11-30 17:47:19 +00:00
Benjamin Kramer 7da76a20c0 Fix odd declaration.
llvm-svn: 90138
2009-11-30 15:52:29 +00:00
Tobias Grosser 9caf3801ca Fix last DOTGraphTraits problems in CompilationGraph.
llvm-svn: 90136
2009-11-30 13:34:51 +00:00
Tobias Grosser 0729c6e281 Remove forgotten ShortNames in Trie and CompilationGraph
llvm-svn: 90135
2009-11-30 13:14:13 +00:00
Tobias Grosser dd7f2e797f Remove ShortNames from getNodeLabel in DOTGraphTraits
llvm-svn: 90134
2009-11-30 12:38:47 +00:00
Tobias Grosser 90d334032a Instantiate DefaultDOTGraphTraits
llvm-svn: 90133
2009-11-30 12:38:13 +00:00
Tobias Grosser 8d6f6b74b1 Do not point edge heads to source labels
If no destination label is available, just point to the node itself
instead of pointing to some source label. Source and destination labels are
not related in any way.

llvm-svn: 90132
2009-11-30 12:37:39 +00:00
Tobias Grosser f444599ef0 Only print edgeSourceLabels if they are not empty
Graphviz can layout the graphs better if a node does not contain source
ports. Therefore only print the ports if the source ports are useful,
that means are not labeled with the empty string "".
This patch also simplifies graphs without any edgeSourceLabels e.g. the
dominance trees.

llvm-svn: 90131
2009-11-30 12:24:40 +00:00
Tobias Grosser f7495f497a Small PostDominatorTree improvements
* Do not SEGFAULT if tree entryNode() is NULL
 * Print function names in dotty printer

llvm-svn: 90130
2009-11-30 12:06:37 +00:00
Tobias Grosser 5f0988ceb0 Remove ":" after BB name in -view-cfg-only
llvm-svn: 90129
2009-11-30 11:55:24 +00:00
Eric Christopher 7348432ade First pass at llvm.objectsize documentation.
llvm-svn: 90116
2009-11-30 08:03:53 +00:00
Nick Lewycky 2d32947099 Revert r90107, fixing test/Transforms/GVN/2009-11-29-ReverseMap.ll and the
llvm-gcc build.

llvm-svn: 90113
2009-11-30 07:05:51 +00:00
Nick Lewycky 8a29dd4c7f Add a testcase for the current llvm-gcc build failure.
llvm-svn: 90112
2009-11-30 07:02:18 +00:00
Nick Lewycky 1c2720320b Remove the 'simple jit' tutorial as it wasn't really being maintained and its
material is covered by the Kaleidoscope tutorial.

llvm-svn: 90111
2009-11-30 04:23:17 +00:00
Mon P Wang 031cb00246 Add test case for r90108
llvm-svn: 90109
2009-11-30 02:42:27 +00:00
Mon P Wang 32f8bb9ed4 Added support to allow clients to custom widen. For X86, custom widen vectors for
divide/remainder since these operations can trap by unroll them and adding undefs
for the resulting vector.

llvm-svn: 90108
2009-11-30 02:42:02 +00:00
Chris Lattner 4d252d20e8 reapply r90093 with an addition of keeping the forward
and reverse nonlocal memdep maps in synch, this should
fix 255.vortex.

llvm-svn: 90107
2009-11-30 02:26:29 +00:00
Nick Lewycky fef0c67d01 Fix this test on 64-bit systems which seem to use i64 for gep indices sometimes
while 32-bit gcc uses i32.

llvm-svn: 90106
2009-11-30 02:23:57 +00:00
Nick Lewycky 95ef6c9560 Commit r90099 made LLVM simplify one of these constant expressions a little
more. Update the syntax we're checking for and filecheckize it too.

This will fix the selfhost buildbots but will 'break' the others (sigh) because
they're still linked against older LLVM which is emitting less optimized IR.

llvm-svn: 90104
2009-11-30 00:38:56 +00:00
Nick Lewycky e35e6f097d Teach ConstantFolding to do a better job when folding gep(bitcast).
This permits the devirtualization of llvm.org/PR3100#c9 when compiled by clang.

llvm-svn: 90099
2009-11-29 21:40:55 +00:00
Benjamin Kramer 3efc050ac4 Revert r90089 for now, it's breaking selfhost.
llvm-svn: 90097
2009-11-29 21:17:48 +00:00
Chris Lattner 0311ade94c revert this patch for now, it causes failures of:
LLVM::Transforms/GVN/2009-02-17-LoadPRECrash.ll
    LLVM::Transforms/GVN/2009-06-17-InvalidPRE.ll

llvm-svn: 90096
2009-11-29 21:14:59 +00:00
Chris Lattner 52e7715b0b Fix a really nasty caching bug I introduced in memdep. An entry
was being added to the Result vector, but not being put in the
cache.  This means that if the cache was reused wholesale for a
later query that it would be missing this entry and we'd do an
incorrect load elimination.

Unfortunately, it's not really possible to write a useful 
testcase for this, but this unbreaks 255.vortex.

llvm-svn: 90093
2009-11-29 21:09:36 +00:00
Benjamin Kramer bfa993ab20 Fix two FIXMEs.
llvm-svn: 90089
2009-11-29 20:29:30 +00:00
Nick Lewycky 0a1f25b927 Detabify.
llvm-svn: 90085
2009-11-29 18:10:39 +00:00
Benjamin Kramer 8cb52c266f Remove dead returns.
llvm-svn: 90083
2009-11-29 17:42:58 +00:00
Kovarththanan Rajaratnam 4b9f0b6720 This patch ensures that Path::GetMainExecutable is able to handle the
case where realpath() fails. When this occurs we segfault trying to
create a std::string from a NULL pointer.

Fixes PR5635.

llvm-svn: 90082
2009-11-29 17:19:48 +00:00
Daniel Dunbar 53b95c4080 Fix FileCheck crash when fuzzy scanning starting at the end of the file.
llvm-svn: 90065
2009-11-29 08:30:24 +00:00
Chris Lattner 1cc4cca193 add testcases for the foo_with_overflow op xforms added recently and
fix bugs exposed by the tests.  Testcases from Alastair Lynn!

llvm-svn: 90056
2009-11-29 02:57:29 +00:00
Chris Lattner 6a05f2dc8e mark all the 'foo with overflow' intrinsics as readnone.
llvm-svn: 90055
2009-11-29 02:44:33 +00:00
Chris Lattner 58ccf88c36 update and consolidate the load pre notes.
llvm-svn: 90050
2009-11-29 02:19:52 +00:00
Chris Lattner 0d39613f65 add PR#
llvm-svn: 90049
2009-11-29 01:28:58 +00:00
Chris Lattner 73d45454be Add a testcase for:
void test(int N, double* G) {
  long j;
  for (j = 1; j < N - 1; j++)
      G[j] = G[j] + G[j+1] + G[j-1];
}

which we now compile to one load in the loop:

LBB1_2:                                                     ## %bb
	movsd	16(%rsi,%rax,8), %xmm2
	incq	%rdx
	addsd	%xmm2, %xmm1
	addsd	%xmm1, %xmm0
	movapd	%xmm2, %xmm1
	movsd	%xmm0, 8(%rsi,%rax,8)
	incq	%rax
	cmpq	%rcx, %rax
	jne	LBB1_2

instead of:

LBB1_2:                                                     ## %bb
	movsd	8(%rsi,%rax,8), %xmm0
	addsd	16(%rsi,%rax,8), %xmm0
	addsd	(%rsi,%rax,8), %xmm0
	movsd	%xmm0, 8(%rsi,%rax,8)
	incq	%rax
	cmpq	%rcx, %rax
	jne	LBB1_2

llvm-svn: 90048
2009-11-29 01:15:43 +00:00
Chris Lattner a73adac52e add a testcase for
void test9(int N, double* G) {
  long j;
  for (j = 1; j < N - 1; j++)
      G[j+1] = G[j] + G[j+1];
}

llvm-svn: 90047
2009-11-29 01:04:40 +00:00
Chris Lattner cd261c9c26 Implement PR5634.
llvm-svn: 90046
2009-11-29 00:51:17 +00:00
Nick Lewycky 218a3393f4 Teach memdep to look for memory use intrinsics during dependency queries. Fixes
PR5574.

llvm-svn: 90045
2009-11-28 21:27:49 +00:00
Chris Lattner 32140312ca reenable load address insertion in load pre. This allows us to
handle cases like this:
void test(int N, double* G) {
  long j;
  for (j = 1; j < N - 1; j++)
      G[j+1] = G[j] + G[j+1];
}

where G[1] isn't live into the loop.

llvm-svn: 90041
2009-11-28 16:08:18 +00:00
Chris Lattner 44da5bd837 Enhance InsertPHITranslatedPointer to be able to return a list of newly
inserted instructions.  No functionality change until someone starts using it.

llvm-svn: 90039
2009-11-28 15:39:14 +00:00
Chris Lattner c7bc66dfc6 implement a FIXME: limit the depth that DecomposeGEPExpression goes the same
way that getUnderlyingObject does it. 

This fixes the 'DecomposeGEPExpression and getUnderlyingObject disagree!' 
assertion on sqlite3.

llvm-svn: 90038
2009-11-28 15:12:41 +00:00
Chris Lattner d5bd369a0f enable code to handle un-phi-translatable cases more aggressively:
if we don't have an address expression available in a predecessor,
then model this as the value being clobbered at the end of the pred
block instead of being modeled as a complete phi translation failure.
This is important for PRE of loads because we want to see that the
load is available in all but this predecessor, and complete phi
translation failure results in not getting any information about
predecessors.

This doesn't do anything until I renable code insertion since PRE
now sees that it is available in all but one predecessors, but can't
insert the addressing in the predecessor that is missing it to 
eliminate the redundancy.

llvm-svn: 90037
2009-11-28 14:54:10 +00:00
Chris Lattner cf0b198827 disable value insertion for now, I need to figure out how
to inform GVN about the newly inserted values.  This fixes 
PR5631.

llvm-svn: 90022
2009-11-27 22:50:07 +00:00
Chris Lattner 2be52e72ae Rework InsertPHITranslatedPointer to handle the recursive case, this
fixes PR5630 and sets the stage for the next phase of goodness (testcase
pending).

llvm-svn: 90019
2009-11-27 22:05:15 +00:00
Chris Lattner 4ee17e1482 recursively phi translate bitcast operands too, for consistency.
llvm-svn: 90016
2009-11-27 20:25:30 +00:00
Nick Lewycky 6e0525141f Oops! Fix bug introduced in my recent cleanup change. Thanks to Tobias Grosser
for pointing this out.

llvm-svn: 90015
2009-11-27 19:57:53 +00:00
Chris Lattner d141f885a1 I accidentally implemented this :)
llvm-svn: 90014
2009-11-27 19:56:00 +00:00
Chris Lattner 2f0354ecf0 add support for recursive phi translation and phi
translation of add with immediate.  This allows us
to optimize this function:

void test(int N, double* G) {
  long j;
  G[1] = 1;
    for (j = 1; j < N - 1; j++)
        G[j+1] = G[j] + G[j+1];
}

to only do one load every iteration of the loop.

llvm-svn: 90013
2009-11-27 19:11:31 +00:00
Chris Lattner e66f84e012 add two simple test cases we now optimize (to one load in the loop each) and one we don't (corresponding to the fixme I added yesterday).
llvm-svn: 90012
2009-11-27 18:08:30 +00:00
Chris Lattner 3d9823b9cf factor some logic out of instcombine into a new SimplifyAddInst method.
llvm-svn: 90011
2009-11-27 17:42:22 +00:00
Chris Lattner 83a4a9868f add a deadargelim note.
llvm-svn: 90009
2009-11-27 17:12:30 +00:00
Chris Lattner ca9e0e83b3 This testcase is actually only partially redundant, and requires
the FIXME I added yesterday to be implemented.

llvm-svn: 90008
2009-11-27 16:53:57 +00:00
Chris Lattner 2226db66ab fix PR5436 by making the 'simple' case of SRoA not promote out of range
array indexes.  The "complex" case of SRoA still handles them, and correctly.

This fixes a weirdness where we'd correctly avoid transforming A[0][42] if
the 42 was too large, but we'd only do it if it was one gep, not two separate
ones.

llvm-svn: 90007
2009-11-27 16:37:41 +00:00
Chris Lattner 92ba18e9e4 filecheckize
llvm-svn: 90006
2009-11-27 16:31:59 +00:00
Duncan Sands b56334b4f2 While this test is testing a problem in the generic part of codegen,
the problem only shows for msp430 and pic16 which is why it specifies
them using -march.  But it is wrong to put such tests in CodeGen/Generic,
since not everyone builds these targets.  Put a copy of the test in each
of the target test directories.

llvm-svn: 90005
2009-11-27 16:04:14 +00:00
Duncan Sands 31c0e0ee35 Vector types are no longer required to have a power-of-two length.
llvm-svn: 90004
2009-11-27 13:38:03 +00:00
Duncan Sands ee7425cc56 These code generator limitations have been removed.
llvm-svn: 90003
2009-11-27 12:33:22 +00:00
Chris Lattner 6d294de548 add comment.
llvm-svn: 90002
2009-11-27 08:40:14 +00:00
Chris Lattner ac323297e0 reduce nesting, no functionality change.
llvm-svn: 90001
2009-11-27 08:37:22 +00:00
Chris Lattner 8e62d0a93d limit the recursion depth of GetLinearExpression. This
fixes a crash analyzing consumer-lame, which had an "%X = add %X, 1"
in unreachable code.

llvm-svn: 90000
2009-11-27 08:32:52 +00:00
Chris Lattner 25be93dfed teach GVN's load PRE to insert computations of the address in predecessors
where it is not available.  It's unclear how to get this inserted 
computation into GVN's scalar availability sets, Owen, help? :)

llvm-svn: 89997
2009-11-27 08:25:10 +00:00
Chris Lattner 41a5bba4e0 add some tests for memdep phi translation + PRE.
llvm-svn: 89996
2009-11-27 06:42:42 +00:00
Chris Lattner fa76d23c1d this test is failing, and is expected to.
llvm-svn: 89995
2009-11-27 06:36:28 +00:00
Chris Lattner 4f1552bde7 filecheckize
llvm-svn: 89994
2009-11-27 06:33:09 +00:00
Chris Lattner 66426c70e6 rename test.
llvm-svn: 89993
2009-11-27 06:31:55 +00:00
Chris Lattner a9a76ccf56 Fix phi translation in load PRE to agree with the phi
translation done by memdep, and reenable gep translation 
again.

llvm-svn: 89992
2009-11-27 06:31:14 +00:00
Chris Lattner b018bda665 redisable this, my bootstrap worked because it wasn't an optimized build, whoops.
llvm-svn: 89991
2009-11-27 05:53:01 +00:00
Chris Lattner fb8a718fc3 try again.
llvm-svn: 89990
2009-11-27 05:19:56 +00:00
Chris Lattner 14444f5c1a this is causing buildbot failures, disable for now.
llvm-svn: 89985
2009-11-27 01:52:22 +00:00
Chris Lattner cc6d29286c this (and probably several others) are now done.
llvm-svn: 89982
2009-11-27 00:35:04 +00:00
Chris Lattner 5030c6ab21 teach phi translation of GEPs to simplify geps like 'gep x, 0'.
This allows us to compile the example from PR5313 into:

LBB1_2:                                                     ## %bb
	incl	%ecx
	movb	%al, (%rsi)
	movslq	%ecx, %rax
	movb	(%rdi,%rax), %al
	testb	%al, %al
	jne	LBB1_2

instead of:

LBB1_2:                                                     ## %bb
	movslq	%eax, %rcx
	incl	%eax
	movb	(%rdi,%rcx), %cl
	movb	%cl, (%rsi)
	movslq	%eax, %rcx
	cmpb	$0, (%rdi,%rcx)
	jne	LBB1_2

llvm-svn: 89981
2009-11-27 00:34:38 +00:00
Chris Lattner 8574aba4ea factor some instcombine simplifications for getelementptr out to a new
SimplifyGEPInst method in InstructionSimplify.h.  No functionality change.

llvm-svn: 89980
2009-11-27 00:29:05 +00:00
Chris Lattner 4c88e814b8 teach memdep to do trivial PHI translation of GEPs. More to
come.

llvm-svn: 89979
2009-11-27 00:07:37 +00:00
Chris Lattner 9bd2136ca3 Teach memdep to phi translate bitcasts. This allows us to compile
the example in GCC PR16799 to:

LBB1_2:                                                     ## %bb1
	movl	%eax, %eax
	subq	%rax, %rdi
	movq	%rdi, (%rcx)
	movl	(%rdi), %eax
	testl	%eax, %eax
	je	LBB1_2

instead of:

LBB1_2:                                                     ## %bb1
	movl	(%rdi), %ecx
	subq	%rcx, %rdi
	movq	%rdi, (%rax)
	cmpl	$0, (%rdi)
	je	LBB1_2

llvm-svn: 89978
2009-11-26 23:41:07 +00:00
Chris Lattner dfaa592de1 convert to filecheck
llvm-svn: 89977
2009-11-26 23:32:59 +00:00
Nick Lewycky a75fe185ba Fix typo spotted by Gabor Greif.
llvm-svn: 89976
2009-11-26 23:19:05 +00:00
Chris Lattner c49f5ac7d8 factor some code out into some helper functions.
llvm-svn: 89975
2009-11-26 23:18:49 +00:00
Nick Lewycky 898e8f756a Clean up file, no functionality change.
llvm-svn: 89974
2009-11-26 22:54:26 +00:00
Chris Lattner 0f77ac2640 Add a hack for PR5601, a crash on obsolete syntax that we plan to
remove in LLVM 3.0

llvm-svn: 89973
2009-11-26 22:48:23 +00:00
Chris Lattner a5bc618a91 fix crash on Transforms/InstCombine/intrinsics.ll introduced by r89970
llvm-svn: 89972
2009-11-26 22:08:06 +00:00
Chris Lattner a73ecf0b00 Fix PR5471 by removing an instcombine xform. Some pieces of the code
generates store to undef and some generates store to null as the idiom
for undefined behavior.  Since simplifycfg zaps both, don't remove the
undefined behavior in instcombine.

llvm-svn: 89971
2009-11-26 22:04:42 +00:00
Chris Lattner 5b83ba215d implement a bunch of xforms for overflow intrinsics, based on a patch
by Alastair Lynn.

llvm-svn: 89970
2009-11-26 21:42:47 +00:00
Bob Wilson 9594db5693 Rename new TailDuplicationPass to avoid name conflict with the old one.
llvm-svn: 89968
2009-11-26 21:38:41 +00:00
Chris Lattner 5fe97e7aca @test9 is a testcase for r89958. Before 89958, we misanalyzed the
first expression as P+4+4*i which we considered to possibly alias
P+4*j.  Now we correctly analyze the former one as P+1+4*i.

@test10 is a sanity test that verfies that we know that P+4+4*i != P+4*i.

llvm-svn: 89960
2009-11-26 19:25:46 +00:00
Chris Lattner 1bf7ff704a Implement PR1143 (at -m64) by making basicaa look through extensions. We
previously already handled it at -m32 because there were no i32->i64 
extensions for addressing.

llvm-svn: 89959
2009-11-26 18:53:33 +00:00
Chris Lattner d7cabea8ca fix two transposed lines duncan caught and add an explanatory comment.
llvm-svn: 89958
2009-11-26 18:35:46 +00:00
Chris Lattner 9aa846956e this todo is resolved.
llvm-svn: 89957
2009-11-26 17:14:10 +00:00
Chris Lattner 29f82a1465 move DecomposeGEPExpression out into ValueTracking.cpp
llvm-svn: 89956
2009-11-26 17:12:50 +00:00
Chris Lattner 631c5b2cb9 teach GetLinearExpression to be a bit more aggressive.
llvm-svn: 89955
2009-11-26 17:00:01 +00:00
Chris Lattner 5c1cfc252c resolve a fixme. I haven't figured out how to write a testcase
to exercise this though.

llvm-svn: 89954
2009-11-26 16:52:32 +00:00
Chris Lattner ba0014a44c update status of this. basicaa is much improved now,
only missing the one form (in this testcase).  Dan, do you
consider this example to be important?

llvm-svn: 89953
2009-11-26 16:42:00 +00:00
Chris Lattner 29bc8a91d3 Teach basicaa that x|c == x+c when the c bits of x are clear. This
allows us to compile the example in readme.txt into:

LBB1_1:                                                     ## %bb
	movl	4(%rdx,%rax), %ecx
	movl	%ecx, %esi
	imull	(%rdx,%rax), %esi
	imull	%esi, %ecx
	movl	%esi, 8(%rdx,%rax)
	imull	%ecx, %esi
	movl	%ecx, 12(%rdx,%rax)
	movl	%esi, 16(%rdx,%rax)
	imull	%ecx, %esi
	movl	%esi, 20(%rdx,%rax)
	addq	$16, %rax
	cmpq	$4000, %rax
	jne	LBB1_1

instead of:

LBB1_1: 
	movl	(%rdx,%rax), %ecx
	imull	4(%rdx,%rax), %ecx
	movl	%ecx, 8(%rdx,%rax)
	imull	4(%rdx,%rax), %ecx
	movl	%ecx, 12(%rdx,%rax)
	imull	8(%rdx,%rax), %ecx
	movl	%ecx, 16(%rdx,%rax)
	imull	12(%rdx,%rax), %ecx
	movl	%ecx, 20(%rdx,%rax)
	addq	$16, %rax
	cmpq	$4000, %rax
	jne	LBB1_1

GCC (4.2) doesn't seem to be able to eliminate the loads in this 
testcase either, it generates:

L2:
	movl	(%rdx), %eax
	imull	4(%rdx), %eax
	movl	%eax, 8(%rdx)
	imull	4(%rdx), %eax
	movl	%eax, 12(%rdx)
	imull	8(%rdx), %eax
	movl	%eax, 16(%rdx)
	imull	12(%rdx), %eax
	movl	%eax, 20(%rdx)
	addl	$4, %ecx
	addq	$16, %rdx
	cmpl	$1002, %ecx
	jne	L2

llvm-svn: 89952
2009-11-26 16:26:43 +00:00
Chris Lattner 12dacdd359 teach basicaa that A[i] != A[i+1].
llvm-svn: 89951
2009-11-26 16:18:10 +00:00
Chris Lattner 453751031a rename test
llvm-svn: 89950
2009-11-26 16:08:41 +00:00
Chris Lattner 7a5b56aca9 Change the other half of aliasGEP (which handles GEP differencing) to use DecomposeGEPExpression. This dramatically simplifies and shrinks the code by eliminating the horrible CheckGEPInstructions method, fixes a miscompilation (@test3) and makes the code more aggressive. In particular, we now handle the @test4 case, which is reduced from the SmallPtrSet constructor. Missing this caused us to emit a variable length memset instead of a fixed size one.
llvm-svn: 89922
2009-11-26 02:17:34 +00:00
Chris Lattner 0d23076adf add a new random feature test
llvm-svn: 89921
2009-11-26 02:16:28 +00:00
Chris Lattner 5341c9679d Generalize DecomposeGEPExpression to exactly handle what Value::getUnderlyingObject does (when TD is around). This allows us to avoid calling DecomposeGEPExpression unless the ultimate alias check we care about passes, speedup up BasicAA a bit.
llvm-svn: 89920
2009-11-26 02:14:59 +00:00
Chris Lattner 8928899413 Implement a new DecomposeGEPExpression method, which decomposes a GEP into a list of scaled offsets. Use this to eliminate some previous ad-hoc code which was subtly broken (it assumed all Constant*'s were non-zero, but strange constant express could be zero).
llvm-svn: 89915
2009-11-26 02:13:03 +00:00
Chris Lattner a99edbedd1 Use GEPOperator more pervasively to simplify code.
llvm-svn: 89914
2009-11-26 02:11:08 +00:00
Chris Lattner 8e09ad6f3c update some notes slightly
llvm-svn: 89913
2009-11-26 01:51:18 +00:00
Chris Lattner 4f0b47d9e7 remove some redundant braces
llvm-svn: 89912
2009-11-26 01:50:12 +00:00
Evan Cheng a4c986cbdd Test for 89905.
llvm-svn: 89906
2009-11-26 00:35:01 +00:00
Evan Cheng 595a16300c When all defs of a vr are implicit_def, delete all of the defs.
llvm-svn: 89905
2009-11-26 00:32:36 +00:00
Bob Wilson 2d4ff12da9 Split tail duplication into a separate pass. This is needed to avoid
running tail duplication when doing branch folding for if-conversion, and
we also want to be able to run tail duplication earlier to fix some
reg alloc problems.  Move the CanFallThrough function from BranchFolding
to MachineBasicBlock so that it can be shared by TailDuplication.

llvm-svn: 89904
2009-11-26 00:32:21 +00:00
Dale Johannesen 979ac9fce4 Test for llvm-gcc checkin 89898.
llvm-svn: 89899
2009-11-25 23:50:09 +00:00
Devang Patel 4da997b936 Update to reflect recent debugging information encoding changes.
llvm-svn: 89896
2009-11-25 23:28:01 +00:00
Viktor Kutuzov 8981b3abe5 Rollback changes r89516: Added two SubtargetFeatures::AddFeatures methods, which accept a comma-separated string or already parsed command line parameters as input, and some code re-factoring to use these new methods.
llvm-svn: 89893
2009-11-25 22:44:18 +00:00
Evan Cheng 44df27e964 ProcessImplicitDefs should watch out for invalidated iterator and extra implicit operands on copies.
llvm-svn: 89880
2009-11-25 21:13:39 +00:00
Bob Wilson 4419301d81 Tail duplicate indirect branches for PowerPC, too.
With the testcase for pr3120, the "threaded interpreter" runtime decreases
from 1788 to 1413 with this change.

llvm-svn: 89877
2009-11-25 19:57:14 +00:00
Benjamin Kramer 4cd30817d3 Avoid some possibly unsafe uses of StringRef::data().
llvm-svn: 89873
2009-11-25 18:26:09 +00:00
Devang Patel 2d9caf9fe5 Use StringRef (again) in DebugInfo interface.
llvm-svn: 89866
2009-11-25 17:36:49 +00:00
Bob Wilson 120f729eca Based on the testcase for pr3120, running on my MacPro with Xeon processors,
it is definitely profitable to tail duplicate indirect branches for x86.
This is likely to be true to various degrees for all modern x86 processors.

llvm-svn: 89865
2009-11-25 17:27:53 +00:00
Bruno Cardoso Lopes 2db07581b7 Support PIC loading of constant pool entries
llvm-svn: 89863
2009-11-25 12:17:58 +00:00
Edward O'Callaghan 87e82ced60 Adjust comments to new semantics.
llvm-svn: 89862
2009-11-25 12:00:34 +00:00
Daniel Dunbar 900f2ce31c Sketch structure for X86 disassembler.
llvm-svn: 89850
2009-11-25 06:53:08 +00:00
Edward O'Callaghan 746782dde5 API change Path::isSpecialFile to Path::isRegularFile, improve semantics in regards to comments from 89765 post review.
llvm-svn: 89848
2009-11-25 06:32:19 +00:00
Douglas Gregor 7baad7365a Perform explicit instantiations in the proper namespace, since Clang diagnoses this ill-formity.
llvm-svn: 89846
2009-11-25 06:04:18 +00:00
Edward O'Callaghan 2b8fed15e0 Reverting patch in revision 89758, initial attempt at fixing PR5373 has proven to be bogus.
llvm-svn: 89844
2009-11-25 05:38:41 +00:00
Daniel Dunbar e8b8ccefcb Add the rest of the build system logic for optional target disassemblers
llvm-svn: 89841
2009-11-25 04:46:58 +00:00
Daniel Dunbar 3202720933 Regenerate configure
llvm-svn: 89840
2009-11-25 04:37:28 +00:00
Daniel Dunbar f472129722 Add CMake and configure logic to create llvm/Config/Disassemblers.defs.
llvm-svn: 89839
2009-11-25 04:30:13 +00:00
Daniel Dunbar e502433d7f Sketch TableGen disassembler emitter, based on patch by Sean Callanan.
llvm-svn: 89833
2009-11-25 02:13:23 +00:00
Bruno Cardoso Lopes 2c6d498ccc Use endianess dependent offsets for load/store of doubles when
using two swc/lwc instead of sdc/ldc.

llvm-svn: 89826
2009-11-25 01:05:25 +00:00
Dale Johannesen e0eb336588 Fix compiler warnings.
llvm-svn: 89824
2009-11-25 00:58:21 +00:00
Bruno Cardoso Lopes fa2741e0d3 Only include in the callee saved regs the sub registers to avoid
unnecessary save/restore.

llvm-svn: 89823
2009-11-25 00:47:43 +00:00
Bruno Cardoso Lopes dce6f66cf0 Add proper emission of load/store double to stack slots for mips1 targets!
llvm-svn: 89821
2009-11-25 00:36:00 +00:00
Devang Patel d23ea6a33b Revert r89803.
llvm-svn: 89819
2009-11-25 00:31:13 +00:00
Bob Wilson d4d40670e8 Refactor target hook for tail duplication as requested by Chris.
Make tail duplication of indirect branches much more aggressive (for targets
that indicate that it is profitable), based on further experience with
this transformation.  I compiled 3 large applications with and without
this more aggressive tail duplication and measured minimal changes in code
size.  ("size" on Darwin seems to round the text size up to the nearest
page boundary, so I can only say that any code size increase was less than
one 4k page.) Radar 7421267.

llvm-svn: 89814
2009-11-24 23:35:49 +00:00
Dale Johannesen 5ece8f0a20 Do not store R31 into the caller's link area on PPC.
This violates the ABI (that area is "reserved"), and
while it is safe if all code is generated with current
compilers, there is some very old code around that uses
that slot for something else, and breaks if it is stored
into.  Adjust testcases looking for current behavior.
I've verified that the stack frame size is right in all
testcases, whether it changed or not.  7311323.

llvm-svn: 89811
2009-11-24 22:59:02 +00:00
Devang Patel 29c9b709e3 Enable debug info for ppc-darwin.
llvm-svn: 89803
2009-11-24 21:38:54 +00:00
Devang Patel b3e0168428 Use StringRef instead of std::string in DIEString.
llvm-svn: 89793
2009-11-24 19:42:17 +00:00
Devang Patel 21c2e100ba Remove DebugLabelFolder pass. It is not used by dwarf writer anymore.
llvm-svn: 89790
2009-11-24 19:37:07 +00:00
Devang Patel c8654eb64e Swith to pubtypes section before emitting pub types.
llvm-svn: 89787
2009-11-24 19:18:41 +00:00
Daniel Dunbar 7402c472c3 Remove bogus error handling code.
llvm-svn: 89786
2009-11-24 19:03:33 +00:00
Edward O'Callaghan 2b12faa1fd Fix comments as pre-post review for rev.89765.
llvm-svn: 89770
2009-11-24 16:29:23 +00:00
Edward O'Callaghan dddf134a3c Provide Path::isSpecialFile interface for PR5568.
llvm-svn: 89765
2009-11-24 15:19:10 +00:00
Edward O'Callaghan 5fd452d596 Fix for PR5373, Credit to Jakub Staszak.
llvm-svn: 89758
2009-11-24 11:51:52 +00:00
Evan Cheng 184ec26fcd Enable predication of NEON instructions in Thumb2 mode.
llvm-svn: 89748
2009-11-24 08:06:15 +00:00
Jeffrey Yasskin 9c2d34012d Oops. Re-disable JITTest.NoStubs on ARM and PPC since they still use stubs to
make far calls work.

llvm-svn: 89733
2009-11-24 02:11:14 +00:00
Dan Gohman cfb181d3cb Delete some dead and non-obvious code.
llvm-svn: 89729
2009-11-24 01:48:15 +00:00
Devang Patel 04d2f2d192 Emit pubtypes.
llvm-svn: 89725
2009-11-24 01:14:22 +00:00
Dale Johannesen 86dcae106d Make capitalization of names starting "is" more consistent.
No functional change.

llvm-svn: 89724
2009-11-24 01:09:07 +00:00
Evan Cheng ece825dc4f Data type suffix must come after predicate.
llvm-svn: 89723
2009-11-24 01:05:23 +00:00
David Goodwin 3f3a8b1c7e <rdar://problem/6721894>. Allow multiple registers to be renamed together (super and sub) if necessary to break an anti-dependence.
llvm-svn: 89722
2009-11-24 00:59:08 +00:00
Anton Korobeynikov 2522908653 Materialize global addresses via movt/movw pair, this is always better
than doing the same via constpool:
1. Load from constpool costs 3 cycles on A9, movt/movw pair - just 2.
2. Load from constpool might stall up to 300 cycles due to cache miss.
3. Movt/movw does not use load/store unit.
4. Less constpool entries => better compiler performance.

This is only enabled on ELF systems, since darwin does not have needed
relocations (yet).

llvm-svn: 89720
2009-11-24 00:44:37 +00:00
Jim Grosbach f890f51666 80 column violations
llvm-svn: 89718
2009-11-24 00:20:27 +00:00
Jeffrey Yasskin f2ad571443 * Move stub allocation inside the JITEmitter, instead of exposing a
way for each TargetJITInfo subclass to allocate its own stubs. This
means stubs aren't as exactly-sized anymore, but it lets us get rid of
TargetJITInfo::emitFunctionStubAtAddr(), which lets ARM and PPC
support the eager JIT, fixing http://llvm.org/PR4816.

* Rename the JITEmitter's stub creation functions to describe the kind
of stub they create. So far, all of them create lazy-compilation
stubs, but they sometimes get used when far-call stubs are needed.
Fixing http://llvm.org/PR5201 will involve fixing this.

llvm-svn: 89715
2009-11-23 23:35:19 +00:00
Jim Grosbach bf2956a88b enable iv-users simplification by default
llvm-svn: 89713
2009-11-23 23:25:54 +00:00
Dan Gohman de5dea869f Remove ISD::DEBUG_LOC and ISD::DBG_LABEL, which are no longer used.
Note that "hasDotLocAndDotFile"-style debug info was already broken;
people wanting this functionality should implement it in the
AsmPrinter/DwarfWriter code.

llvm-svn: 89711
2009-11-23 23:20:51 +00:00
Jeffrey Yasskin 19b48370fb Allow more than one stub to be being generated at the same time.
It's probably better in the long run to replace the
indirect-GlobalVariable system. That'll be done after a subsequent
patch.

llvm-svn: 89708
2009-11-23 22:49:00 +00:00
Evan Cheng 738a97a1db Massive refactoring of NEON instructions. Separate opcode from data size specifier suffix, move \t up stream to instruction format, and fix more 80 column violations.
This fixes the NEON asm printing so the "predicate" field is printed between the opcode and the data type suffix.

llvm-svn: 89706
2009-11-23 21:57:23 +00:00
Dan Gohman 3650f4ed0c Simplify this code.
llvm-svn: 89702
2009-11-23 21:30:55 +00:00
Dan Gohman 2e3f187cbd Print the debug info line and column in MachineInstr::print even when there's
no filename. This situation is apparently fairly common right now.

llvm-svn: 89701
2009-11-23 21:29:08 +00:00
Jim Grosbach dbb4140f37 move fconst[sd] to UAL. <rdar://7414913>
llvm-svn: 89700
2009-11-23 21:08:25 +00:00
Johnny Chen b6528d3244 Partially revert r84730 by removing N2VDup from ARMInstrFormats.td and modifying
VDUPLND and VDUPLNQ to derive from N2V instead of N2VDup.  VDUPLND and VDUPLNQ
now expect op19_18 and op17_16 as the first two args.

llvm-svn: 89699
2009-11-23 21:00:43 +00:00
Jim Grosbach 50b293d65e update test for 89694
llvm-svn: 89695
2009-11-23 20:39:53 +00:00
Jim Grosbach 04c0e76772 fold immediate of a + Const into the user as a subtract if it can fit as a negated two-part immediate.
llvm-svn: 89694
2009-11-23 20:35:53 +00:00
Johnny Chen 5ad7416260 Revert r84572 by removing N3VImm from ARMInstrFormats.td now that we can specify
{?,?,?,?} as op11_8 for VEXTd and VEXTq.

llvm-svn: 89693
2009-11-23 20:09:13 +00:00
Devang Patel 75e6a40d6d Add CreateLocation varinat that accepts MDNode (with a default value).
llvm-svn: 89689
2009-11-23 19:11:20 +00:00
Devang Patel b5b51598ba Revert r89487.
llvm-svn: 89686
2009-11-23 18:43:37 +00:00
Johnny Chen e97457afbc Partially revert r89377 by removing NLdStLN class definition from
ARMInstrFormats.td and fixing VLD[234]LN* and VST[234]LN* to derive from NLdSt
instead of NLdStLN.

llvm-svn: 89684
2009-11-23 18:16:16 +00:00
Dan Gohman 9d72cbf2d5 Move CopyCatchInfo into FunctionLoweringInfo.cpp too, for consistency.
llvm-svn: 89683
2009-11-23 18:12:11 +00:00
Dan Gohman 1a6c47f1cb Rename SelectionDAGLowering to SelectionDAGBuilder, and rename
SelectionDAGBuild.cpp to SelectionDAGBuilder.cpp.

llvm-svn: 89681
2009-11-23 18:04:58 +00:00
Johnny Chen ebc60ef80c Make it clear that the index bit(s) of Vector Get Lane and Vector Set Lane
should be left unspecified now that Bob Wilson has fixed pr5470.

llvm-svn: 89676
2009-11-23 17:48:17 +00:00
Dan Gohman 91aad4b834 Move RegsForValue to an anonymous namespace, since it is only used
in this file.

llvm-svn: 89675
2009-11-23 17:46:23 +00:00
Dan Gohman ad97b3dbd0 Move some more code out of SelectionDAGBuild.cpp and into
FunctionLoweringInfo.cpp.

llvm-svn: 89674
2009-11-23 17:42:46 +00:00
David Goodwin 1f2457f8aa Minor itinerary fixes for FP instructions.
llvm-svn: 89672
2009-11-23 17:34:12 +00:00
Ted Kremenek 9b6515794f Update CMake file.
llvm-svn: 89671
2009-11-23 17:26:04 +00:00
Dan Gohman a3624b6099 Move the FunctionLoweringInfo class and some related utility functions out
of SelectionDAGBuild.h/cpp into its own files, to help separate
general lowering logic from SelectionDAG-specific lowering logic.

llvm-svn: 89667
2009-11-23 17:16:22 +00:00
Chris Lattner 214ef9a4ef fix comment, thanks all :)
llvm-svn: 89666
2009-11-23 17:07:35 +00:00
Chris Lattner 1e7b37ebba use the new isNoAlias method to simplify some code, only do an escaping check if
we have a non-constant pointer.  Constant pointers can't be local.

llvm-svn: 89665
2009-11-23 16:46:41 +00:00
Chris Lattner 98e25326a0 whitespace cleanup, tidying
llvm-svn: 89664
2009-11-23 16:45:27 +00:00
Chris Lattner 84ed59abcf speed up BasicAA a bit by implementing a long-standing TODO.
llvm-svn: 89663
2009-11-23 16:44:43 +00:00
Chris Lattner f2fa7bf0b7 add a helper
llvm-svn: 89662
2009-11-23 16:38:54 +00:00
Dan Gohman 05ebc8f71f Move FunctionPassManagerImpl's dumpArguments and dumpPasses calls
out of its run function and into its doInitialization method, so
that it does the dump once instead of once per function.

llvm-svn: 89660
2009-11-23 16:24:18 +00:00
Dan Gohman 580b80d6d9 Make ConstantFoldConstantExpression recursively visit the entire
ConstantExpr, not just the top-level operator. This allows it to
fold many more constants.

Also, make GlobalOpt call ConstantFoldConstantExpression on
GlobalVariable initializers.

llvm-svn: 89659
2009-11-23 16:22:21 +00:00
Dan Gohman 1f522d98f8 Fix a use of an invalidated iterator in the case where there are multiple
adjacent uses of a dead basic block from the same user. This fixes PR5596.

llvm-svn: 89658
2009-11-23 16:13:39 +00:00
Duncan Sands 9d786d701d I forgot to update the prototype for LLVMBuildIntCast when correcting
the body to not pass the name for the isSigned parameter.  However it
seems that changing prototypes is a big-no-no, so here I revert the
previous change and pass "true" for isSigned, meaning this always does
a signed cast, which was the previous behaviour assuming the name was
not NULL!  Some other C function needs to be introduced for the general
case of signed or unsigned casts.  This hopefully unbreaks the ocaml
binding.

llvm-svn: 89648
2009-11-23 10:49:03 +00:00
Nick Lewycky 890a1d120f Start catching LLVMContext misuse in the verifier.
llvm-svn: 89646
2009-11-23 04:52:00 +00:00
Nick Lewycky 15a1287c1f Pull LLVMContext out of PromoteMemToReg.
llvm-svn: 89645
2009-11-23 03:50:44 +00:00
Nick Lewycky 621fe5614e Remove LLVMContext and its include.
llvm-svn: 89644
2009-11-23 03:34:29 +00:00
Nick Lewycky 39dbfd3c58 Remove unused LLVMContext.
llvm-svn: 89642
2009-11-23 03:29:18 +00:00
Nick Lewycky 4e3b3f3d92 Remove dead LLVMContext argument.
llvm-svn: 89641
2009-11-23 03:26:09 +00:00
Nick Lewycky 922d4ab574 Reapply r88830 with a bugfix: this transform only applies to icmp eq/ne. This
fixes part of PR5438.

llvm-svn: 89639
2009-11-23 03:17:33 +00:00
Oscar Fuentes 1251697156 CMake: Updated library dependencies.
llvm-svn: 89637
2009-11-23 00:40:39 +00:00
Oscar Fuentes dea579fde3 CMake: Do not try to install a target before it is defined.
llvm-svn: 89636
2009-11-23 00:32:42 +00:00
Oscar Fuentes 0c2443a28d CMake: generate targets for tools and examples even when
LLVM_BUILD_TOOLS or LLVM_BUILD_EXAMPLES are OFF.

llvm-svn: 89635
2009-11-23 00:21:43 +00:00
Daniel Dunbar fd29d88605 FileCheck, PR5239: Try to find the intended match on failures, but looking for a
good nearby fuzzy match. Frequently the input is nearly correct, and just
showing the user the a nearby sensible match is enough to diagnose the problem.
 - The "fuzzyness" is pretty simple and arbitrary, but worked on my three test
   cases. If you encounter problems, or places you think FileCheck should have
   guessed but didn't, please add test cases to PR5239.

For example, previously FileCheck would report this:
--
t.cpp:21:55: error: expected string not found in input
// CHECK: define void @_Z2f25f2_s1([[i64_i64_ty]] %a0)
                                                      ^
<stdin>:19:30: note: scanning from here
define void @_Z2f15f1_s1(%1) nounwind {
                             ^
<stdin>:19:30: note: with variable "i64_i64_ty" equal to "%0"
--

and now it also reports this:
--
<stdin>:27:1: note: possible intended match here
define void @_Z2f25f2_s1(%0) nounwind {
^
--

which makes it clear that the CHECK just has an extra ' %a0' in it, without
having to check the input.

llvm-svn: 89631
2009-11-22 22:59:26 +00:00
Daniel Dunbar e0ef65aba4 FileCheck: When a string using variable references fails to match, print
additional information about the current definitions of the variables used in
the string.

llvm-svn: 89628
2009-11-22 22:08:06 +00:00
Daniel Dunbar 5a308f5399 SourceMgr: Add ShowLine argument to PrintMessage, to allow suppressing the source line output.
llvm-svn: 89627
2009-11-22 22:08:00 +00:00
Daniel Dunbar 57cb733b46 Allow '_' in FileCheck variable names, it is nice to have at least one
separate character.
 - Chris, OK?

llvm-svn: 89626
2009-11-22 22:07:50 +00:00
Jim Grosbach bf6d35893f Add getFrameIndexReference() to TargetRegisterInfo, which allows targets to
tell debug info which base register to use to reference a frame index on a
per-index basis. This is useful, for example, in the presence of dynamic
stack realignment when local variables are indexed via the stack pointer and
stack-based arguments via the frame pointer.

llvm-svn: 89620
2009-11-22 20:14:00 +00:00
Jim Grosbach fd963e11f5 Move default FrameReg val to getFrameIndexReference(). Otherwise, debug info can get bogus values.
llvm-svn: 89618
2009-11-22 20:05:32 +00:00
Jim Grosbach 00e9c6103b 80-column cleanup
llvm-svn: 89612
2009-11-22 19:20:36 +00:00
Jakob Stoklund Olesen 8a3fdae0aa Teach MachineBasicBlock::updateTerminator() to handle a failing TII->ReverseBranchCondition(Cond) call.
This fixes the MallocBench/cfrac test case regression.

llvm-svn: 89608
2009-11-22 18:28:04 +00:00
Daniel Dunbar 43bff37afb Update doc re: LLVM_BUILD_EXAMPLES.
llvm-svn: 89607
2009-11-22 18:27:51 +00:00
Daniel Dunbar f606951546 Use ExtractElementInst::Create instead of new; patch by Artur Pietrek!
llvm-svn: 89606
2009-11-22 18:27:43 +00:00
Chris Lattner a13c9d1a5e add fixme for dubious code. Duncan, what do you think?
llvm-svn: 89602
2009-11-22 16:16:48 +00:00
Chris Lattner db1e9f1290 remove a silly condition that doesn't make a lot of sense anymore.
llvm-svn: 89601
2009-11-22 16:15:59 +00:00
Chris Lattner d6a49ad25a reduce indentation, no functionality change.
llvm-svn: 89600
2009-11-22 16:05:05 +00:00
Chris Lattner 88874ec60a Remove the AliasAnalysis::getMustAliases method, which is dead.
The hasNoModRefInfoForCalls isn't worth it as a filter because 
basicaa provides m/r info and everything chains to it, so remove
it.

llvm-svn: 89599
2009-11-22 16:01:44 +00:00
Edward O'Callaghan f161e97a9e Miss two, PR5307.
llvm-svn: 89596
2009-11-22 15:35:28 +00:00
Edward O'Callaghan cc856372b0 Convert Thumb2 tests to FileCheck for PR5307.
llvm-svn: 89595
2009-11-22 15:18:27 +00:00
Benjamin Kramer a9268a4525 Turns out stuff gets allocated to different registers depending on the subtarget.
llvm-svn: 89594
2009-11-22 15:15:52 +00:00
Edward O'Callaghan 21d7e8aeb1 Convert ARM tests to FileCheck for PR5307.
llvm-svn: 89593
2009-11-22 14:23:33 +00:00
Benjamin Kramer 2e245f4e18 Convert test to FileCheck.
llvm-svn: 89589
2009-11-22 13:16:36 +00:00
Edward O'Callaghan 8966897524 Forgot to alter RUN line when converting to FileCheck.
llvm-svn: 89588
2009-11-22 13:09:48 +00:00
Edward O'Callaghan 7150767800 Fix for bad FileCheck converts in revision 89584.
llvm-svn: 89586
2009-11-22 12:50:05 +00:00
Edward O'Callaghan 15dd46215e Convert a few tests to FileCheck for PR5307.
llvm-svn: 89584
2009-11-22 11:45:44 +00:00
Bob Wilson 7248f86432 Fix whitespace.
llvm-svn: 89582
2009-11-22 04:24:42 +00:00
Bob Wilson 67e6cab49f Fix pr5470. Tablegen handles template arguments by temporarily setting their
values, resolving references to them, and then removing the definitions.
If a template argument is set to an undefined value, we need to resolve
references to that argument to an explicit undefined value.  The current code
leaves the reference to the template argument as it is, which causes an
assertion failure later when the definition of the template argument is
removed.

llvm-svn: 89581
2009-11-22 03:58:57 +00:00
Nick Lewycky 663e0a06b0 Remove dead code. While there, also turn a few 'T* ' into 'T *' to match the
rest of the file.

llvm-svn: 89577
2009-11-22 02:38:11 +00:00
Jim Grosbach 90e9062e96 Generate more correct debug info for frame indices.
llvm-svn: 89576
2009-11-22 02:32:29 +00:00
Anton Korobeynikov abdf86d2be Minor optimization: when doing eq/ne comparions and RHS is a constant - swap operands, this will allow us to fold imm into comparison.
llvm-svn: 89574
2009-11-22 01:14:08 +00:00
Anton Korobeynikov 3a31644c7a Drop unsupported imm operands
llvm-svn: 89573
2009-11-22 01:13:54 +00:00
Anton Korobeynikov a9c7bb724a Use 2-byte alignment for functions. 4 bytes are clear overkill here.
llvm-svn: 89572
2009-11-22 01:13:39 +00:00
Anton Korobeynikov d099b578e4 Use semicolon as assembler comment string
llvm-svn: 89571
2009-11-22 01:12:49 +00:00
Jim Grosbach e09e95b35c Revert 89562. We're being sneakier than I was giving us credit for, and this
isn't necessary.

llvm-svn: 89568
2009-11-21 23:34:09 +00:00
Jim Grosbach 042483efb1 remove trailing whitespace
llvm-svn: 89567
2009-11-21 23:12:12 +00:00
Bob Wilson 159905a766 Fix some spelling in comments.
llvm-svn: 89566
2009-11-21 22:44:20 +00:00
Bob Wilson 3b793a4dc9 Avoid a redundant assertion.
llvm-svn: 89565
2009-11-21 22:39:27 +00:00
Jim Grosbach 43fd822249 Darwin requires a frame pointer for all non-leaf functions to support correct
backtraces.

llvm-svn: 89562
2009-11-21 21:40:08 +00:00
Evan Cheng a33fc86be3 Add predicate operand to NEON instructions. Fix lots (but not all) 80 col violations in ARMInstrNEON.td.
llvm-svn: 89542
2009-11-21 06:21:52 +00:00
Evan Cheng 1f4062f194 Allow target to disable if-converting predicable instructions. e.g. NEON instructions under ARM mode.
llvm-svn: 89541
2009-11-21 06:20:26 +00:00
Devang Patel 930143b0dc Cosmetic changes, which were long overdue, in DwarfDebug.cpp.
llvm-svn: 89537
2009-11-21 02:48:08 +00:00
Devang Patel ed85e12da6 We are not using DBG_STOPPOINT anymore.
llvm-svn: 89536
2009-11-21 02:46:55 +00:00
Evan Cheng 960ad9a8ab Maintain stylistic consistency.
llvm-svn: 89535
2009-11-21 02:32:35 +00:00
Jakob Stoklund Olesen 4c83e2c253 Don't leave temporary files in the test directory.
llvm-svn: 89531
2009-11-21 02:05:31 +00:00
Jakob Stoklund Olesen bc630aca39 Be more clever about calculating live variables through new basic blocks.
When splitting a critical edge, the registers live through the edge are:

- Used in a PHI instruction, or
- Live out from the predecessor, and
- Live in to the successor.

This allows the coalescer to eliminate even more phi joins.

llvm-svn: 89530
2009-11-21 02:05:21 +00:00
Daniel Dunbar dbeef0c161 Allow SmallString to implicitly convert to StringRef.
llvm-svn: 89529
2009-11-21 02:01:24 +00:00
Eric Christopher 0c7bd96de2 Add more optimizations for object size checking, enable handling of
object size intrinsic and verify return type is correct. Collect various
code in one place.

llvm-svn: 89523
2009-11-21 01:01:30 +00:00
Devang Patel e1bbc33355 Remove dead code.
llvm-svn: 89522
2009-11-21 00:54:03 +00:00
Dale Johannesen b91eba382d When generating a vector the really slow way, via loads
and stores, handle the case where the element size is not
a valid target type correctly (PPC).

llvm-svn: 89521
2009-11-21 00:53:23 +00:00
Devang Patel 92e8c655b2 There is no need to use FoldingSet to unique DIEs.
DIEs are created from MDNode, which are already uniqued. And DwarfDebug already uses ValueMaps to find and use existing DIE for a given MDNode.

llvm-svn: 89518
2009-11-21 00:31:03 +00:00
Viktor Kutuzov 7dcca8f7fc Added two SubtargetFeatures::AddFeatures methods, which accept a comma-separated string or already parsed command line parameters as input, and some code re-factoring to use these new methods.
llvm-svn: 89516
2009-11-21 00:00:02 +00:00
David Goodwin 5305dc0be1 Restructure code to allow renaming of multiple-register groups for anti-dep breaking.
llvm-svn: 89511
2009-11-20 23:33:54 +00:00
Evan Cheng 73f9a9e2c8 Enable hoisting load from constant memories.
llvm-svn: 89510
2009-11-20 23:31:34 +00:00
Dan Gohman 312971513f Fix a thinko that caused spurious @GOTOFFs.
llvm-svn: 89509
2009-11-20 23:30:32 +00:00
Dan Gohman e14b347176 Update for new getBlockAddress signature.
llvm-svn: 89507
2009-11-20 23:21:00 +00:00
Dan Gohman 7a6611793f Target-independent support for TargetFlags on BlockAddress operands,
and support for blockaddresses in x86-32 PIC mode.

llvm-svn: 89506
2009-11-20 23:18:13 +00:00
Sean Callanan c1f532e930 Recommitting PALIGNR shift width fixes.
Thanks to Daniel Dunbar for fixing clang intrinsics:
  http://llvm.org/viewvc/llvm-project?view=rev&revision=89499

llvm-svn: 89500
2009-11-20 22:28:42 +00:00
Dale Johannesen 8495a506eb Remove an incorrect overaggressive optimization
(PPC specific).

llvm-svn: 89496
2009-11-20 22:16:40 +00:00
Sean Callanan 19d92728d0 Reverting PALIGNR fix until I figure out how this
broke the Clang testsuite.

llvm-svn: 89495
2009-11-20 22:09:28 +00:00
Sean Callanan fbed130173 Fixed PALIGNR to take 8-bit rotations in all cases.
Also fixed the corresponding testcase, and the PALIGNR
  intrinsic (tested for correctness with llvm-gcc).

llvm-svn: 89491
2009-11-20 21:40:28 +00:00
Devang Patel e064ad4741 Do not hold on to a map slot while new entries may be inserted into the map.
Use ValueMap, instead of std::map.

llvm-svn: 89490
2009-11-20 21:37:22 +00:00
David Greene f46c37c0de Cleanups.
Make things a little more efficient as suggested by Evan.

llvm-svn: 89489
2009-11-20 21:13:27 +00:00
Devang Patel 85121a3bda There is no need to emit source location info for DW_TAG_pointer_type.
llvm-svn: 89487
2009-11-20 21:05:37 +00:00
Dan Gohman fbffe63528 Make Loop::getLoopLatch() work on loops which don't have preheaders, as
it may be used in contexts where preheader insertion may have failed due
to an indirectbr.

Make LoopSimplify's LoopSimplify::SeparateNestedLoop properly fail in
the case that it would require splitting an indirectbr edge.

These fix PR5502.

llvm-svn: 89484
2009-11-20 20:51:18 +00:00
Dan Gohman d15302afa0 Fix IPSCCP's code for deleting dead blocks to tolerate outstanding
blockaddress users. This fixes PR5569.

llvm-svn: 89483
2009-11-20 20:19:14 +00:00
Daniel Dunbar f87c75706f Revert "Add some rough optimizations for checking routines.", it buildeth not.
llvm-svn: 89482
2009-11-20 20:17:30 +00:00
Eric Christopher cf97d01dff Add some rough optimizations for checking routines.
llvm-svn: 89479
2009-11-20 19:57:37 +00:00
Evan Cheng bdb43a9d99 Remat VLDRD from constpool. Clean up some instruction property specifications.
llvm-svn: 89478
2009-11-20 19:57:15 +00:00
Evan Cheng b39a9fd3ed Add option -licm-const-load to hoist all loads from constant memory.
llvm-svn: 89477
2009-11-20 19:55:37 +00:00
Jim Grosbach 6c3b71195a The verify() call of CPEIsInRange() isn't right for the assertion check of
constant pool ranges, as CPEIsInRange() makes conservative assumptions about
the potential alignment changes from branch adjustments. The verification,
on the other hand, runs after those branch adjustments are made, so the
effects on alignment are known and already taken into account. The sanity
check in verify should check the range directly instead.

llvm-svn: 89473
2009-11-20 19:37:38 +00:00
Dan Gohman ff20377740 Use stripPointerCasts(). Thanks Duncan!
llvm-svn: 89472
2009-11-20 19:33:16 +00:00
David Goodwin 80a03cc0b1 Remove some old experimental code that is no longer needed. Remove additional, speculative scheduling pass as its cost did not translate into significant performance improvement. Minor tweaks.
llvm-svn: 89471
2009-11-20 19:32:48 +00:00